145490858634 has 32 divisors (see below), whose sum is σ = 336107226816. Its totient is φ = 41494718720.

The previous prime is 145490858629. The next prime is 145490858693. The reversal of 145490858634 is 436858094541.

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, 64834377 + ... + 64836620.

It is an arithmetic number, because the mean of its divisors is an integer number (10503350838).

Almost surely, 2^145490858634 is an apocalyptic number.

145490858634 is an abundant number, since it is smaller than the sum of its proper divisors (190616368182).

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

145490858634 is a wasteful number, since it uses less digits than its factorization.

145490858634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129671030.

The product of its (nonzero) digits is 16588800, while the sum is 57.

The spelling of 145490858634 in words is "one hundred forty-five billion, four hundred ninety million, eight hundred fifty-eight thousand, six hundred thirty-four".