150213881 has 8 divisors (see below), whose sum is σ = 156822600. Its totient is φ = 143700480.

The previous prime is 150213859. The next prime is 150213883. The reversal of 150213881 is 188312051.

150213881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 67240000 + 82973881 = 8200^2 + 9109^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150213881 is a prime.

It is a super-2 number, since 2×150213881² = 45128420090164322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (150213883) 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, 20600 + ... + 26921.

It is an arithmetic number, because the mean of its divisors is an integer number (19602825).

Almost surely, 2^150213881 is an apocalyptic number.

It is an amenable number.

150213881 is a deficient number, since it is larger than the sum of its proper divisors (6608719).

150213881 is a wasteful number, since it uses less digits than its factorization.

150213881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47659.

The product of its (nonzero) digits is 1920, while the sum is 29.

The square root of 150213881 is about 12256.1772588356. The cubic root of 150213881 is about 531.5817007442.

The spelling of 150213881 in words is "one hundred fifty million, two hundred thirteen thousand, eight hundred eighty-one".