149706772 has 6 divisors (see below), whose sum is σ = 261986858. Its totient is φ = 74853384.

The previous prime is 149706769. The next prime is 149706827. The reversal of 149706772 is 277607941.

It can be written as a sum of positive squares in only one way, i.e., 116942596 + 32764176 = 10814^2 + 5724^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18713343 + ... + 18713350.

Almost surely, 2^149706772 is an apocalyptic number.

It is an amenable number.

149706772 is a deficient number, since it is larger than the sum of its proper divisors (112280086).

149706772 is a wasteful number, since it uses less digits than its factorization.

149706772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37426697 (or 37426695 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 43.

The square root of 149706772 is about 12235.4718748400. The cubic root of 149706772 is about 530.9828351328.

The spelling of 149706772 in words is "one hundred forty-nine million, seven hundred six thousand, seven hundred seventy-two".