146725551172 has 12 divisors (see below), whose sum is σ = 257120019436. Its totient is φ = 73262688480.

The previous prime is 146725551143. The next prime is 146725551229. The reversal of 146725551172 is 271155527641.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 89098668036 + 57626883136 = 298494^2 + 240056^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25018479 + ... + 25024342.

Almost surely, 2^146725551172 is an apocalyptic number.

It is an amenable number.

146725551172 is a deficient number, since it is larger than the sum of its proper divisors (110394468264).

146725551172 is a wasteful number, since it uses less digits than its factorization.

146725551172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50043558 (or 50043556 counting only the distinct ones).

The product of its digits is 588000, while the sum is 46.

The spelling of 146725551172 in words is "one hundred forty-six billion, seven hundred twenty-five million, five hundred fifty-one thousand, one hundred seventy-two".