149016317192 has 8 divisors (see below), whose sum is σ = 279405594750. Its totient is φ = 74508158592.

The previous prime is 149016317173. The next prime is 149016317201. The reversal of 149016317192 is 291713610941.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 118263083236 + 30753233956 = 343894^2 + 175366^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9313519817 + ... + 9313519832.

Almost surely, 2^149016317192 is an apocalyptic number.

It is an amenable number.

149016317192 is a deficient number, since it is larger than the sum of its proper divisors (130389277558).

149016317192 is a wasteful number, since it uses less digits than its factorization.

149016317192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18627039655 (or 18627039651 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 44.

The spelling of 149016317192 in words is "one hundred forty-nine billion, sixteen million, three hundred seventeen thousand, one hundred ninety-two".