145077397764 has 48 divisors (see below), whose sum is σ = 364710104640. Its totient is φ = 44620018560.

The previous prime is 145077397763. The next prime is 145077397771. The reversal of 145077397764 is 467793770541.

It is a junction number, because it is equal to n+sod(n) for n = 145077397698 and 145077397707.

It is not an unprimeable number, because it can be changed into a prime (145077397763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166567 + ... + 563825.

It is an arithmetic number, because the mean of its divisors is an integer number (7598127180).

Almost surely, 2^145077397764 is an apocalyptic number.

It is an amenable number.

145077397764 is an abundant number, since it is smaller than the sum of its proper divisors (219632706876).

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

145077397764 is a wasteful number, since it uses less digits than its factorization.

145077397764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399620 (or 399618 counting only the distinct ones).

The product of its (nonzero) digits is 31116960, while the sum is 60.

The spelling of 145077397764 in words is "one hundred forty-five billion, seventy-seven million, three hundred ninety-seven thousand, seven hundred sixty-four".