152140225 has 12 divisors (see below), whose sum is σ = 199751724. Its totient is φ = 114552320.

The previous prime is 152140211. The next prime is 152140253. The reversal of 152140225 is 522041251.

It can be written as a sum of positive squares in 6 ways, for example, as 62001 + 152078224 = 249^2 + 12332^2 .

It is not a de Polignac number, because 152140225 - 2⁷ = 152140097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 152140196 and 152140205.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178564 + ... + 179413.

It is an arithmetic number, because the mean of its divisors is an integer number (16645977).

Almost surely, 2^152140225 is an apocalyptic number.

It is an amenable number.

152140225 is a deficient number, since it is larger than the sum of its proper divisors (47611499).

152140225 is a wasteful number, since it uses less digits than its factorization.

152140225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358004 (or 357999 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 152140225 is about 12334.5135696549. The cubic root of 152140225 is about 533.8443918570.

Adding to 152140225 its reverse (522041251), we get a palindrome (674181476).

The spelling of 152140225 in words is "one hundred fifty-two million, one hundred forty thousand, two hundred twenty-five".