150749903 has 4 divisors (see below), whose sum is σ = 151148040. Its totient is φ = 150351768.

The previous prime is 150749899. The next prime is 150749941. The reversal of 150749903 is 309947051.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 309947051 = 1399 ⋅221549.

It is a cyclic number.

It is not a de Polignac number, because 150749903 - 2² = 150749899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150740903) 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, 198500 + ... + 199257.

It is an arithmetic number, because the mean of its divisors is an integer number (37787010).

Almost surely, 2^150749903 is an apocalyptic number.

150749903 is a deficient number, since it is larger than the sum of its proper divisors (398137).

150749903 is an equidigital number, since it uses as much as digits as its factorization.

150749903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398136.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 150749903 is about 12278.0252076627. The cubic root of 150749903 is about 532.2132474196.

The spelling of 150749903 in words is "one hundred fifty million, seven hundred forty-nine thousand, nine hundred three".