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145403212 = 2236350803
BaseRepresentation
bin10001010101010…
…10110101001100
3101010121020201011
420222222311030
5244210400322
622232255004
73413623033
oct1052526514
9333536634
10145403212
1175092649
1240841464
132417c806
141544d71a
15cb72677
hex8aaad4c

145403212 has 6 divisors (see below), whose sum is σ = 254455628. Its totient is φ = 72701604.

The previous prime is 145403207. The next prime is 145403231. The reversal of 145403212 is 212304541.

It is a super-2 number, since 2×1454032122 = 42284188119833888, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18175398 + ... + 18175405.

Almost surely, 2145403212 is an apocalyptic number.

It is an amenable number.

145403212 is a deficient number, since it is larger than the sum of its proper divisors (109052416).

145403212 is a wasteful number, since it uses less digits than its factorization.

145403212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36350807 (or 36350805 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 145403212 is about 12058.3254227111. The cubic root of 145403212 is about 525.8453043042.

Adding to 145403212 its reverse (212304541), we get a palindrome (357707753).

The spelling of 145403212 in words is "one hundred forty-five million, four hundred three thousand, two hundred twelve".

Divisors: 1 2 4 36350803 72701606 145403212