145891233590 has 16 divisors (see below), whose sum is σ = 278051527872. Its totient is φ = 54923758464.

The previous prime is 145891233589. The next prime is 145891233619. The reversal of 145891233590 is 95332198541.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429091694 + ... + 429092033.

It is an arithmetic number, because the mean of its divisors is an integer number (17378220492).

Almost surely, 2^145891233590 is an apocalyptic number.

145891233590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145891233590 is a deficient number, since it is larger than the sum of its proper divisors (132160294282).

145891233590 is a wasteful number, since it uses less digits than its factorization.

145891233590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858183751.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 145891233590 in words is "one hundred forty-five billion, eight hundred ninety-one million, two hundred thirty-three thousand, five hundred ninety".