151901238 has 16 divisors (see below), whose sum is σ = 319792320. Its totient is φ = 47968776.

The previous prime is 151901237. The next prime is 151901251. The reversal of 151901238 is 832109151.

It is a super-2 number, since 2×151901238² = 46147972211865288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151901237) 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 7 ways as a sum of consecutive naturals, for example, 666120 + ... + 666347.

It is an arithmetic number, because the mean of its divisors is an integer number (19987020).

Almost surely, 2^151901238 is an apocalyptic number.

151901238 is an abundant number, since it is smaller than the sum of its proper divisors (167891082).

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

151901238 is a wasteful number, since it uses less digits than its factorization.

151901238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332491.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 151901238 is about 12324.8220271126. The cubic root of 151901238 is about 533.5647184365.

The spelling of 151901238 in words is "one hundred fifty-one million, nine hundred one thousand, two hundred thirty-eight".