145102074 has 32 divisors (see below), whose sum is σ = 315579264. Its totient is φ = 44210880.

The previous prime is 145101991. The next prime is 145102099. The reversal of 145102074 is 470201541.

It is a super-2 number, since 2×145102074² = 42109223758202952, 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 in 15 ways as a sum of consecutive naturals, for example, 997 + ... + 17064.

It is an arithmetic number, because the mean of its divisors is an integer number (9861852).

Almost surely, 2^145102074 is an apocalyptic number.

145102074 is an abundant number, since it is smaller than the sum of its proper divisors (170477190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145102074 is a wasteful number, since it uses less digits than its factorization.

145102074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18182.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 145102074 is about 12045.8322252968. The cubic root of 145102074 is about 525.4820352824.

The spelling of 145102074 in words is "one hundred forty-five million, one hundred two thousand, seventy-four".