145797892 has 6 divisors (see below), whose sum is σ = 255146318. Its totient is φ = 72898944.

The previous prime is 145797857. The next prime is 145797913. The reversal of 145797892 is 298797541.

It can be written as a sum of positive squares in only one way, i.e., 105144516 + 40653376 = 10254^2 + 6376^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18224733 + ... + 18224740.

Almost surely, 2^145797892 is an apocalyptic number.

It is an amenable number.

145797892 is a deficient number, since it is larger than the sum of its proper divisors (109348426).

145797892 is a wasteful number, since it uses less digits than its factorization.

145797892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36449477 (or 36449475 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 52.

The square root of 145797892 is about 12074.6797887149. The cubic root of 145797892 is about 526.3206563108.

It can be divided in two parts, 145797 and 892, that added together give a square (146689 = 383²).

The spelling of 145797892 in words is "one hundred forty-five million, seven hundred ninety-seven thousand, eight hundred ninety-two".