150403213 has 4 divisors (see below), whose sum is σ = 152952480. Its totient is φ = 147853948.

The previous prime is 150403181. The next prime is 150403219. The reversal of 150403213 is 312304051.

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 150403213 - 2⁵ = 150403181 is a prime.

It is a super-2 number, since 2×150403213² = 45242252961446738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150403219) 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, 1274545 + ... + 1274662.

It is an arithmetic number, because the mean of its divisors is an integer number (38238120).

Almost surely, 2^150403213 is an apocalyptic number.

It is an amenable number.

150403213 is a deficient number, since it is larger than the sum of its proper divisors (2549267).

150403213 is an equidigital number, since it uses as much as digits as its factorization.

150403213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549266.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 150403213 is about 12263.8987683363. The cubic root of 150403213 is about 531.8049450286.

Adding to 150403213 its reverse (312304051), we get a palindrome (462707264).

The spelling of 150403213 in words is "one hundred fifty million, four hundred three thousand, two hundred thirteen".