149505694 has 16 divisors (see below), whose sum is σ = 244913760. Its totient is φ = 68029920.

The previous prime is 149505691. The next prime is 149505703. The reversal of 149505694 is 496505941.

149505694 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 149505694.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149505691) 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, 38649 + ... + 42340.

It is an arithmetic number, because the mean of its divisors is an integer number (15307110).

Almost surely, 2^149505694 is an apocalyptic number.

149505694 is a deficient number, since it is larger than the sum of its proper divisors (95408066).

149505694 is a wasteful number, since it uses less digits than its factorization.

149505694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81075.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 149505694 is about 12227.2521033959. The cubic root of 149505694 is about 530.7449995228.

The spelling of 149505694 in words is "one hundred forty-nine million, five hundred five thousand, six hundred ninety-four".