150213503 has 4 divisors (see below), whose sum is σ = 163869288. Its totient is φ = 136557720.

The previous prime is 150213473. The next prime is 150213509. The reversal of 150213503 is 305312051.

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

It is a cyclic number.

It is not a de Polignac number, because 150213503 - 2⁸ = 150213247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150213509) 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, 6827876 + ... + 6827897.

It is an arithmetic number, because the mean of its divisors is an integer number (40967322).

Almost surely, 2^150213503 is an apocalyptic number.

150213503 is a deficient number, since it is larger than the sum of its proper divisors (13655785).

150213503 is a wasteful number, since it uses less digits than its factorization.

150213503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13655784.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 150213503 is about 12256.1618380307. The cubic root of 150213503 is about 531.5812548510.

Adding to 150213503 its reverse (305312051), we get a palindrome (455525554).

The spelling of 150213503 in words is "one hundred fifty million, two hundred thirteen thousand, five hundred three".