149715655 has 16 divisors (see below), whose sum is σ = 183988224. Its totient is φ = 116916480.

The previous prime is 149715593. The next prime is 149715659. The reversal of 149715655 is 556517941.

It is not a de Polignac number, because 149715655 - 2⁹ = 149715143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149715659) 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, 39994 + ... + 43576.

It is an arithmetic number, because the mean of its divisors is an integer number (11499264).

Almost surely, 2^149715655 is an apocalyptic number.

149715655 is a deficient number, since it is larger than the sum of its proper divisors (34272569).

149715655 is a wasteful number, since it uses less digits than its factorization.

149715655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3786.

The product of its digits is 189000, while the sum is 43.

The square root of 149715655 is about 12235.8348713931. The cubic root of 149715655 is about 530.9933370564.

The spelling of 149715655 in words is "one hundred forty-nine million, seven hundred fifteen thousand, six hundred fifty-five".