145373715 has 24 divisors (see below), whose sum is σ = 266804928. Its totient is φ = 72971520.

The previous prime is 145373687. The next prime is 145373717. The reversal of 145373715 is 517373541.

It is not a de Polignac number, because 145373715 - 2⁶ = 145373651 is a prime.

It is a super-2 number, since 2×145373715² = 42267034025802450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145373715.

It is not an unprimeable number, because it can be changed into a prime (145373717) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94251 + ... + 95780.

It is an arithmetic number, because the mean of its divisors is an integer number (11116872).

Almost surely, 2^145373715 is an apocalyptic number.

145373715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145373715 is a deficient number, since it is larger than the sum of its proper divisors (121431213).

145373715 is a wasteful number, since it uses less digits than its factorization.

145373715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190059 (or 190056 counting only the distinct ones).

The product of its digits is 44100, while the sum is 36.

The square root of 145373715 is about 12057.1022638112. The cubic root of 145373715 is about 525.8097436318.

The spelling of 145373715 in words is "one hundred forty-five million, three hundred seventy-three thousand, seven hundred fifteen".