145552057204 has 12 divisors (see below), whose sum is σ = 254718799300. Its totient is φ = 72775257408.

The previous prime is 145552057193. The next prime is 145552057213. The reversal of 145552057204 is 402750255541.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 133298010000 + 12254047204 = 365100^2 + 110698^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 548842 + ... + 769630.

Almost surely, 2^145552057204 is an apocalyptic number.

It is an amenable number.

145552057204 is a deficient number, since it is larger than the sum of its proper divisors (109166742096).

145552057204 is a wasteful number, since it uses less digits than its factorization.

145552057204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385602 (or 385600 counting only the distinct ones).

The product of its (nonzero) digits is 280000, while the sum is 40.

The spelling of 145552057204 in words is "one hundred forty-five billion, five hundred fifty-two million, fifty-seven thousand, two hundred four".