210155152 has 10 divisors (see below), whose sum is σ = 407175638. Its totient is φ = 105077568.

The previous prime is 210155149. The next prime is 210155159. The reversal of 210155152 is 251551012.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 204604416 + 5550736 = 14304^2 + 2356^2 .

It is not an unprimeable number, because it can be changed into a prime (210155159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6567333 + ... + 6567364.

Almost surely, 2^210155152 is an apocalyptic number.

It is an amenable number.

210155152 is a deficient number, since it is larger than the sum of its proper divisors (197020486).

210155152 is a wasteful number, since it uses less digits than its factorization.

210155152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13134705 (or 13134699 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 210155152 is about 14496.7290103664. The cubic root of 210155152 is about 594.5385419995.

The spelling of 210155152 in words is "two hundred ten million, one hundred fifty-five thousand, one hundred fifty-two".