150155431 has 4 divisors (see below), whose sum is σ = 156683952. Its totient is φ = 143626912.

The previous prime is 150155429. The next prime is 150155491. The reversal of 150155431 is 134551051.

It is a happy number.

150155431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134551051 = 83 ⋅1621097.

It is a cyclic number.

It is not a de Polignac number, because 150155431 - 2¹ = 150155429 is a prime.

It is a super-2 number, since 2×150155431² = 45093306917591522, 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 = 150155396 and 150155405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150155491) 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, 3264226 + ... + 3264271.

It is an arithmetic number, because the mean of its divisors is an integer number (39170988).

Almost surely, 2^150155431 is an apocalyptic number.

150155431 is a deficient number, since it is larger than the sum of its proper divisors (6528521).

150155431 is an equidigital number, since it uses as much as digits as its factorization.

150155431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6528520.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 150155431 is about 12253.7925149727. The cubic root of 150155431 is about 531.5127435544.

The spelling of 150155431 in words is "one hundred fifty million, one hundred fifty-five thousand, four hundred thirty-one".