150744881 has 4 divisors (see below), whose sum is σ = 172279872. Its totient is φ = 129209892.

The previous prime is 150744859. The next prime is 150744889. The reversal of 150744881 is 188447051.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 188447051 = 13 ⋅14495927.

It is not a de Polignac number, because 150744881 - 2²² = 146550577 is a prime.

It is a super-2 number, since 2×150744881² = 45448038295408322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150744889) 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, 10767485 + ... + 10767498.

It is an arithmetic number, because the mean of its divisors is an integer number (43069968).

Almost surely, 2^150744881 is an apocalyptic number.

It is an amenable number.

150744881 is a deficient number, since it is larger than the sum of its proper divisors (21534991).

150744881 is an equidigital number, since it uses as much as digits as its factorization.

150744881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21534990.

The product of its (nonzero) digits is 35840, while the sum is 38.

The square root of 150744881 is about 12277.8206942437. The cubic root of 150744881 is about 532.2073374001.

The spelling of 150744881 in words is "one hundred fifty million, seven hundred forty-four thousand, eight hundred eighty-one".