145357393515 has 16 divisors (see below), whose sum is σ = 232591339296. Its totient is φ = 77517440000.

The previous prime is 145357393499. The next prime is 145357393537. The reversal of 145357393515 is 515393753541.

It is not a de Polignac number, because 145357393515 - 2⁴ = 145357393499 is a prime.

It is a super-2 number, since 2×145357393515² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218886 + ... + 581915.

It is an arithmetic number, because the mean of its divisors is an integer number (14536958706).

Almost surely, 2^145357393515 is an apocalyptic number.

145357393515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145357393515 is a deficient number, since it is larger than the sum of its proper divisors (87233945781).

145357393515 is a wasteful number, since it uses less digits than its factorization.

145357393515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812910.

The product of its digits is 4252500, while the sum is 51.

The spelling of 145357393515 in words is "one hundred forty-five billion, three hundred fifty-seven million, three hundred ninety-three thousand, five hundred fifteen".