151897652 has 24 divisors (see below), whose sum is σ = 282045960. Its totient is φ = 71331840.

The previous prime is 151897649. The next prime is 151897663. The reversal of 151897652 is 256798151.

It can be written as a sum of positive squares in 4 ways, for example, as 36893476 + 115004176 = 6074^2 + 10724^2 .

It is a super-2 number, since 2×151897652² = 46145793366226208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34724 + ... + 38852.

It is an arithmetic number, because the mean of its divisors is an integer number (11751915).

Almost surely, 2^151897652 is an apocalyptic number.

It is an amenable number.

151897652 is a deficient number, since it is larger than the sum of its proper divisors (130148308).

151897652 is a wasteful number, since it uses less digits than its factorization.

151897652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4691 (or 4689 counting only the distinct ones).

The product of its digits is 151200, while the sum is 44.

The square root of 151897652 is about 12324.6765474799. The cubic root of 151897652 is about 533.5605197037.

The spelling of 151897652 in words is "one hundred fifty-one million, eight hundred ninety-seven thousand, six hundred fifty-two".