149436651 has 16 divisors (see below), whose sum is σ = 245229824. Its totient is φ = 78823584.

The previous prime is 149436649. The next prime is 149436659. The reversal of 149436651 is 156634941.

149436651 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 149436651 - 2¹ = 149436649 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (149436659) 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, 273421 + ... + 273966.

It is an arithmetic number, because the mean of its divisors is an integer number (15326864).

Almost surely, 2^149436651 is an apocalyptic number.

149436651 is a deficient number, since it is larger than the sum of its proper divisors (95793173).

149436651 is a wasteful number, since it uses less digits than its factorization.

149436651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547410.

The product of its digits is 77760, while the sum is 39.

The square root of 149436651 is about 12224.4284528971. The cubic root of 149436651 is about 530.6632860925.

The spelling of 149436651 in words is "one hundred forty-nine million, four hundred thirty-six thousand, six hundred fifty-one".