149318051 has 4 divisors (see below), whose sum is σ = 153353712. Its totient is φ = 145282392.

The previous prime is 149318033. The next prime is 149318077. The reversal of 149318051 is 150813941.

149318051 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149318051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149317999 and 149318017.

It is not an unprimeable number, because it can be changed into a prime (149318251) 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, 2017775 + ... + 2017848.

It is an arithmetic number, because the mean of its divisors is an integer number (38338428).

Almost surely, 2^149318051 is an apocalyptic number.

149318051 is a deficient number, since it is larger than the sum of its proper divisors (4035661).

149318051 is an equidigital number, since it uses as much as digits as its factorization.

149318051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4035660.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 149318051 is about 12219.5765474913. The cubic root of 149318051 is about 530.5228624359.

The spelling of 149318051 in words is "one hundred forty-nine million, three hundred eighteen thousand, fifty-one".