235521125145 has 32 divisors (see below), whose sum is σ = 419845194240. Its totient is φ = 125268975360.

The previous prime is 235521125117. The next prime is 235521125149. The reversal of 235521125145 is 541521125532.

235521125145 is a `hidden beast` number, since 2 + 3 + 5 + 521 + 125 + 1 + 4 + 5 = 666.

It is not a de Polignac number, because 235521125145 - 2⁵ = 235521125113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (235521125149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2327296 + ... + 2426385.

It is an arithmetic number, because the mean of its divisors is an integer number (13120162320).

Almost surely, 2^235521125145 is an apocalyptic number.

It is an amenable number.

235521125145 is a deficient number, since it is larger than the sum of its proper divisors (184324069095).

235521125145 is a wasteful number, since it uses less digits than its factorization.

235521125145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4754062 (or 4754056 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

The spelling of 235521125145 in words is "two hundred thirty-five billion, five hundred twenty-one million, one hundred twenty-five thousand, one hundred forty-five".