150948981 has 16 divisors (see below), whose sum is σ = 223840320. Its totient is φ = 100537200.

The previous prime is 150948949. The next prime is 150948991. The reversal of 150948981 is 189849051.

It is not a de Polignac number, because 150948981 - 2⁵ = 150948949 is a prime.

It is a super-2 number, since 2×150948981² = 45571189729876722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150948991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37251 + ... + 41103.

It is an arithmetic number, because the mean of its divisors is an integer number (13990020).

Almost surely, 2^150948981 is an apocalyptic number.

It is an amenable number.

150948981 is a deficient number, since it is larger than the sum of its proper divisors (72891339).

150948981 is a wasteful number, since it uses less digits than its factorization.

150948981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5313 (or 5307 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 45.

The square root of 150948981 is about 12286.1296183949. The cubic root of 150948981 is about 532.4474219065.

The spelling of 150948981 in words is "one hundred fifty million, nine hundred forty-eight thousand, nine hundred eighty-one".