149149977 has 8 divisors (see below), whose sum is σ = 198934560. Its totient is φ = 99399360.

The previous prime is 149149933. The next prime is 149150039. The reversal of 149149977 is 779941941.

149149977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 149149977 - 2¹² = 149145881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149149477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4674 + ... + 17892.

It is an arithmetic number, because the mean of its divisors is an integer number (24866820).

Almost surely, 2^149149977 is an apocalyptic number.

It is an amenable number.

149149977 is a deficient number, since it is larger than the sum of its proper divisors (49784583).

149149977 is a wasteful number, since it uses less digits than its factorization.

149149977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16983.

The product of its digits is 571536, while the sum is 51.

The square root of 149149977 is about 12212.6973679036. The cubic root of 149149977 is about 530.3237336283.

The spelling of 149149977 in words is "one hundred forty-nine million, one hundred forty-nine thousand, nine hundred seventy-seven".