151091144 has 32 divisors (see below), whose sum is σ = 289025400. Its totient is φ = 74027520.

The previous prime is 151091141. The next prime is 151091167. The reversal of 151091144 is 441190151.

It can be written as a sum of positive squares in 4 ways, for example, as 129095044 + 21996100 = 11362^2 + 4690^2 .

It is not an unprimeable number, because it can be changed into a prime (151091141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199214 + ... + 199970.

Almost surely, 2^151091144 is an apocalyptic number.

It is an amenable number.

151091144 is a deficient number, since it is larger than the sum of its proper divisors (137934256).

151091144 is a wasteful number, since it uses less digits than its factorization.

151091144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233 (or 1229 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 151091144 is about 12291.9137647479. The cubic root of 151091144 is about 532.6145215714.

The spelling of 151091144 in words is "one hundred fifty-one million, ninety-one thousand, one hundred forty-four".