149977795 has 16 divisors (see below), whose sum is σ = 201126240. Its totient is φ = 106412800.

The previous prime is 149977741. The next prime is 149977813. The reversal of 149977795 is 597779941.

149977795 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 149977795 - 2⁹ = 149977283 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31000 + ... + 35509.

It is an arithmetic number, because the mean of its divisors is an integer number (12570390).

Almost surely, 2^149977795 is an apocalyptic number.

149977795 is a deficient number, since it is larger than the sum of its proper divisors (51148445).

149977795 is a wasteful number, since it uses less digits than its factorization.

149977795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66566.

The product of its digits is 5000940, while the sum is 58.

The square root of 149977795 is about 12246.5421650358. The cubic root of 149977795 is about 531.3030651491.

The spelling of 149977795 in words is "one hundred forty-nine million, nine hundred seventy-seven thousand, seven hundred ninety-five".