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145141532 = 22191909757
BaseRepresentation
bin10001010011010…
…10111100011100
3101010002221202022
420221222330130
5244124012112
622222515312
73411453104
oct1051527434
9333087668
10145141532
1174a23a88
1240735b38
13240ba683
14153c2204
15cb1ed72
hex8a6af1c

145141532 has 12 divisors (see below), whose sum is σ = 267366120. Its totient is φ = 68751216.

The previous prime is 145141531. The next prime is 145141561. The reversal of 145141532 is 235141541.

145141532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1451415322 = 42132128622614048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145141531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 954803 + ... + 954954.

It is an arithmetic number, because the mean of its divisors is an integer number (22280510).

Almost surely, 2145141532 is an apocalyptic number.

It is an amenable number.

145141532 is a deficient number, since it is larger than the sum of its proper divisors (122224588).

145141532 is a wasteful number, since it uses less digits than its factorization.

145141532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909780 (or 1909778 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 145141532 is about 12047.4699418592. The cubic root of 145141532 is about 525.5296628832.

Subtracting 145141532 from its reverse (235141541), we obtain a palindrome (90000009).

The spelling of 145141532 in words is "one hundred forty-five million, one hundred forty-one thousand, five hundred thirty-two".

Divisors: 1 2 4 19 38 76 1909757 3819514 7639028 36285383 72570766 145141532