151897332 has 12 divisors (see below), whose sum is σ = 354427136. Its totient is φ = 50632440.

The previous prime is 151897301. The next prime is 151897337. The reversal of 151897332 is 233798151.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151897337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6329044 + ... + 6329067.

Almost surely, 2^151897332 is an apocalyptic number.

151897332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

151897332 is an abundant number, since it is smaller than the sum of its proper divisors (202529804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151897332 is a wasteful number, since it uses less digits than its factorization.

151897332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12658118 (or 12658116 counting only the distinct ones).

The product of its digits is 45360, while the sum is 39.

The square root of 151897332 is about 12324.6635653879. The cubic root of 151897332 is about 533.5601450227.

The spelling of 151897332 in words is "one hundred fifty-one million, eight hundred ninety-seven thousand, three hundred thirty-two".