745546157090 has 16 divisors (see below), whose sum is σ = 1533694951872. Its totient is φ = 255615825264.

The previous prime is 745546157053. The next prime is 745546157123. The reversal of 745546157090 is 90751645547.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5325329624 + ... + 5325329763.

It is an arithmetic number, because the mean of its divisors is an integer number (95855934492).

Almost surely, 2^745546157090 is an apocalyptic number.

745546157090 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

745546157090 is an abundant number, since it is smaller than the sum of its proper divisors (788148794782).

745546157090 is a wasteful number, since it uses less digits than its factorization.

745546157090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10650659401.

The product of its (nonzero) digits is 5292000, while the sum is 53.

The spelling of 745546157090 in words is "seven hundred forty-five billion, five hundred forty-six million, one hundred fifty-seven thousand, ninety".