145746805824 has 63 divisors (see below), whose sum is σ = 417783167607. Its totient is φ = 48579214464.

The previous prime is 145746805807. The next prime is 145746805903. The reversal of 145746805824 is 428508647541.

The square root of 145746805824 is 381768.

It is a perfect power (a square), and thus also a powerful number.

145746805824 is a `hidden beast` number, since 1 + 4 + 57 + 4 + 6 + 8 + 0 + 582 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9154479 + ... + 9170385.

Almost surely, 2^145746805824 is an apocalyptic number.

145746805824 is the 381768-th square number.

It is an amenable number.

145746805824 is an abundant number, since it is smaller than the sum of its proper divisors (272036361783).

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

145746805824 is an frugal number, since it uses more digits than its factorization.

145746805824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31832 (or 15912 counting only the distinct ones).

The product of its (nonzero) digits is 8601600, while the sum is 54.

The spelling of 145746805824 in words is "one hundred forty-five billion, seven hundred forty-six million, eight hundred five thousand, eight hundred twenty-four".