149717379 has 32 divisors (see below), whose sum is σ = 233390080. Its totient is φ = 83607552.

The previous prime is 149717377. The next prime is 149717387. The reversal of 149717379 is 973717941.

It is not a de Polignac number, because 149717379 - 2¹ = 149717377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149717377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 194307 + ... + 195075.

It is an arithmetic number, because the mean of its divisors is an integer number (7293440).

Almost surely, 2^149717379 is an apocalyptic number.

149717379 is a deficient number, since it is larger than the sum of its proper divisors (83672701).

149717379 is a wasteful number, since it uses less digits than its factorization.

149717379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979.

The product of its digits is 333396, while the sum is 48.

The square root of 149717379 is about 12235.9053199998. The cubic root of 149717379 is about 530.9953752067.

The spelling of 149717379 in words is "one hundred forty-nine million, seven hundred seventeen thousand, three hundred seventy-nine".