151211252 has 12 divisors (see below), whose sum is σ = 264879300. Its totient is φ = 75531456.

The previous prime is 151211189. The next prime is 151211257. The reversal of 151211252 is 252112151.

It can be written as a sum of positive squares in 2 ways, for example, as 76492516 + 74718736 = 8746^2 + 8644^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151211257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13823 + ... + 22214.

It is an arithmetic number, because the mean of its divisors is an integer number (22073275).

Almost surely, 2^151211252 is an apocalyptic number.

It is an amenable number.

151211252 is a deficient number, since it is larger than the sum of its proper divisors (113668048).

151211252 is a wasteful number, since it uses less digits than its factorization.

151211252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37090 (or 37088 counting only the distinct ones).

The product of its digits is 200, while the sum is 20.

The square root of 151211252 is about 12296.7984451238. The cubic root of 151211252 is about 532.7556159239.

The spelling of 151211252 in words is "one hundred fifty-one million, two hundred eleven thousand, two hundred fifty-two".