150665441 has 4 divisors (see below), whose sum is σ = 159528132. Its totient is φ = 141802752.

The previous prime is 150665401. The next prime is 150665453. The reversal of 150665441 is 144566051.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 141514816 + 9150625 = 11896^2 + 3025^2 .

It is a cyclic number.

It is not a de Polignac number, because 150665441 - 2⁶ = 150665377 is a prime.

It is a super-2 number, since 2×150665441² = 45400150223448962, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 150665398 and 150665407.

It is not an unprimeable number, because it can be changed into a prime (150665401) 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, 4431320 + ... + 4431353.

It is an arithmetic number, because the mean of its divisors is an integer number (39882033).

Almost surely, 2^150665441 is an apocalyptic number.

It is an amenable number.

150665441 is a deficient number, since it is larger than the sum of its proper divisors (8862691).

150665441 is an equidigital number, since it uses as much as digits as its factorization.

150665441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8862690.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 150665441 is about 12274.5851661064. The cubic root of 150665441 is about 532.1138328878.

The spelling of 150665441 in words is "one hundred fifty million, six hundred sixty-five thousand, four hundred forty-one".