149493579 has 16 divisors (see below), whose sum is σ = 211775520. Its totient is φ = 93623040.

The previous prime is 149493569. The next prime is 149493611. The reversal of 149493579 is 975394941.

149493579 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 149493579 - 2²¹ = 147396427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149493569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20002 + ... + 26439.

It is an arithmetic number, because the mean of its divisors is an integer number (13235970).

Almost surely, 2^149493579 is an apocalyptic number.

149493579 is a deficient number, since it is larger than the sum of its proper divisors (62281941).

149493579 is a wasteful number, since it uses less digits than its factorization.

149493579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46510.

The product of its digits is 1224720, while the sum is 51.

The square root of 149493579 is about 12226.7566836017. The cubic root of 149493579 is about 530.7306630580.

It can be divided in two parts, 14949 and 3579, that added together give a triangular number (18528 = T₁₉₂).

The spelling of 149493579 in words is "one hundred forty-nine million, four hundred ninety-three thousand, five hundred seventy-nine".