150394431 has 32 divisors (see below), whose sum is σ = 223727616. Its totient is φ = 89100000.

The previous prime is 150394429. The next prime is 150394441. The reversal of 150394431 is 134493051.

It is not a de Polignac number, because 150394431 - 2¹ = 150394429 is a prime.

It is a super-2 number, since 2×150394431² = 45236969751627522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150394411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 554826 + ... + 555096.

It is an arithmetic number, because the mean of its divisors is an integer number (6991488).

Almost surely, 2^150394431 is an apocalyptic number.

150394431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

150394431 is a deficient number, since it is larger than the sum of its proper divisors (73333185).

150394431 is a wasteful number, since it uses less digits than its factorization.

150394431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 150394431 is about 12263.5407203629. The cubic root of 150394431 is about 531.7945941816.

The spelling of 150394431 in words is "one hundred fifty million, three hundred ninety-four thousand, four hundred thirty-one".