145372237077756 has 48 divisors (see below), whose sum is σ = 366446687521824. Its totient is φ = 44588815239936.

The previous prime is 145372237077733. The next prime is 145372237077887. The reversal of 145372237077756 is 657770732273541.

It is a super-2 number, since 2×145372237077756² (a number of 29 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 1469782275 + ... + 1469881178.

It is an arithmetic number, because the mean of its divisors is an integer number (7634305990038).

Almost surely, 2^{145372237077756} is an apocalyptic number.

It is an amenable number.

145372237077756 is an abundant number, since it is smaller than the sum of its proper divisors (221074450444068).

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

145372237077756 is a wasteful number, since it uses less digits than its factorization.

145372237077756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2939663790 (or 2939663788 counting only the distinct ones).

The product of its (nonzero) digits is 363031200, while the sum is 66.

The spelling of 145372237077756 in words is "one hundred forty-five trillion, three hundred seventy-two billion, two hundred thirty-seven million, seventy-seven thousand, seven hundred fifty-six".