145644831762 has 64 divisors (see below), whose sum is σ = 304600176000. Its totient is φ = 46368903168.

The previous prime is 145644831727. The next prime is 145644831769. The reversal of 145644831762 is 267138446541.

It is not an unprimeable number, because it can be changed into a prime (145644831769) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5999064 + ... + 6023292.

It is an arithmetic number, because the mean of its divisors is an integer number (4759377750).

Almost surely, 2^145644831762 is an apocalyptic number.

145644831762 is an abundant number, since it is smaller than the sum of its proper divisors (158955344238).

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

145644831762 is a wasteful number, since it uses less digits than its factorization.

145644831762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24635.

The product of its digits is 3870720, while the sum is 51.

The spelling of 145644831762 in words is "one hundred forty-five billion, six hundred forty-four million, eight hundred thirty-one thousand, seven hundred sixty-two".