149666402 has 32 divisors (see below), whose sum is σ = 245089152. Its totient is φ = 68269824.

The previous prime is 149666399. The next prime is 149666411. The reversal of 149666402 is 204666941.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243848 + ... + 244460.

It is an arithmetic number, because the mean of its divisors is an integer number (7659036).

Almost surely, 2^149666402 is an apocalyptic number.

149666402 is a deficient number, since it is larger than the sum of its proper divisors (95422750).

149666402 is a wasteful number, since it uses less digits than its factorization.

149666402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 149666402 is about 12233.8220519999. The cubic root of 149666402 is about 530.9351024800.

The spelling of 149666402 in words is "one hundred forty-nine million, six hundred sixty-six thousand, four hundred two".