151491100 has 18 divisors (see below), whose sum is σ = 328735904. Its totient is φ = 60596400.

The previous prime is 151491091. The next prime is 151491139. The reversal of 151491100 is 1194151.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 757356 + ... + 757555.

Almost surely, 2^151491100 is an apocalyptic number.

151491100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151491100 is an abundant number, since it is smaller than the sum of its proper divisors (177244804).

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

151491100 is a wasteful number, since it uses less digits than its factorization.

151491100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514925 (or 1514918 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 22.

The square root of 151491100 is about 12308.1720819950. The cubic root of 151491100 is about 533.0840718901.

The spelling of 151491100 in words is "one hundred fifty-one million, four hundred ninety-one thousand, one hundred".