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145144353 = 370968239
BaseRepresentation
bin10001010011010…
…11101000100001
3101010010002121210
420221223220201
5244124104403
622222540333
73411464244
oct1051535041
9333102553
10145144353
1174a26112
12407376a9
13240bba43
14153c325b
15cb20b03
hex8a6ba21

145144353 has 8 divisors (see below), whose sum is σ = 193801600. Its totient is φ = 96625008.

The previous prime is 145144343. The next prime is 145144411. The reversal of 145144353 is 353441541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-145144353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145144353.

It is not an unprimeable number, because it can be changed into a prime (145144343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31993 + ... + 36246.

It is an arithmetic number, because the mean of its divisors is an integer number (24225200).

Almost surely, 2145144353 is an apocalyptic number.

It is an amenable number.

145144353 is a deficient number, since it is larger than the sum of its proper divisors (48657247).

145144353 is an equidigital number, since it uses as much as digits as its factorization.

145144353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68951.

The product of its digits is 14400, while the sum is 30.

The square root of 145144353 is about 12047.5870198144. The cubic root of 145144353 is about 525.5330676279.

Adding to 145144353 its reverse (353441541), we get a palindrome (498585894).

The spelling of 145144353 in words is "one hundred forty-five million, one hundred forty-four thousand, three hundred fifty-three".

Divisors: 1 3 709 2127 68239 204717 48381451 145144353