150351481 has 4 divisors (see below), whose sum is σ = 171830272. Its totient is φ = 128872692.

The previous prime is 150351473. The next prime is 150351493. The reversal of 150351481 is 184153051.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 150351481 - 2³ = 150351473 is a prime.

It is a super-2 number, since 2×150351481² = 45211135677786722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150351431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10739385 + ... + 10739398.

It is an arithmetic number, because the mean of its divisors is an integer number (42957568).

Almost surely, 2^150351481 is an apocalyptic number.

It is an amenable number.

150351481 is a deficient number, since it is larger than the sum of its proper divisors (21478791).

150351481 is an equidigital number, since it uses as much as digits as its factorization.

150351481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21478790.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 150351481 is about 12261.7894697308. The cubic root of 150351481 is about 531.7439656392.

The spelling of 150351481 in words is "one hundred fifty million, three hundred fifty-one thousand, four hundred eighty-one".