151399044 has 60 divisors (see below), whose sum is σ = 405028624. Its totient is φ = 49288176.

The previous prime is 151399037. The next prime is 151399063. The reversal of 151399044 is 440993151.

It is a happy number.

It is a super-2 number, since 2×151399044² = 45843341048227872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8499 + ... + 19365.

Almost surely, 2^151399044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151399044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202514312).

151399044 is an abundant number, since it is smaller than the sum of its proper divisors (253629580).

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

151399044 is a wasteful number, since it uses less digits than its factorization.

151399044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10926 (or 10915 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 151399044 is about 12304.4318844878. The cubic root of 151399044 is about 532.9760709783.

The spelling of 151399044 in words is "one hundred fifty-one million, three hundred ninety-nine thousand, forty-four".