153072225 has 18 divisors (see below), whose sum is σ = 274169766. Its totient is φ = 81638400.

The previous prime is 153072223. The next prime is 153072247. The reversal of 153072225 is 522270351.

153072225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 39841344 + 113230881 = 6312^2 + 10641^2 .

It is not a de Polignac number, because 153072225 - 2¹ = 153072223 is a prime.

It is a super-2 number, since 2×153072225² = 46862212132901250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (153072223) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 339936 + ... + 340385.

Almost surely, 2^153072225 is an apocalyptic number.

153072225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

153072225 is a deficient number, since it is larger than the sum of its proper divisors (121097541).

153072225 is a wasteful number, since it uses less digits than its factorization.

153072225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680337 (or 680329 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 153072225 is about 12372.2360549741. The cubic root of 153072225 is about 534.9322708100.

The spelling of 153072225 in words is "one hundred fifty-three million, seventy-two thousand, two hundred twenty-five".