150556313 has 4 divisors (see below), whose sum is σ = 155747940. Its totient is φ = 145364688.

The previous prime is 150556309. The next prime is 150556327. The reversal of 150556313 is 313655051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 313655051 = 3329 ⋅94219.

It can be written as a sum of positive squares in 2 ways, for example, as 91450969 + 59105344 = 9563^2 + 7688^2 .

It is a cyclic number.

It is not a de Polignac number, because 150556313 - 2² = 150556309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 5191597 = 150556313 / (1 + 5 + 0 + 5 + 5 + 6 + 3 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150556213) 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, 2595770 + ... + 2595827.

It is an arithmetic number, because the mean of its divisors is an integer number (38936985).

Almost surely, 2^150556313 is an apocalyptic number.

It is an amenable number.

150556313 is a deficient number, since it is larger than the sum of its proper divisors (5191627).

150556313 is an equidigital number, since it uses as much as digits as its factorization.

150556313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5191626.

The product of its (nonzero) digits is 6750, while the sum is 29.

The square root of 150556313 is about 12270.1390782664. The cubic root of 150556313 is about 531.9853306393.

The spelling of 150556313 in words is "one hundred fifty million, five hundred fifty-six thousand, three hundred thirteen".