149845672 has 8 divisors (see below), whose sum is σ = 280960650. Its totient is φ = 74922832.

The previous prime is 149845603. The next prime is 149845711. The reversal of 149845672 is 276548941.

It can be written as a sum of positive squares in only one way, i.e., 133957476 + 15888196 = 11574^2 + 3986^2 .

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, 9365347 + ... + 9365362.

Almost surely, 2^149845672 is an apocalyptic number.

It is an amenable number.

149845672 is a deficient number, since it is larger than the sum of its proper divisors (131114978).

149845672 is a wasteful number, since it uses less digits than its factorization.

149845672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18730715 (or 18730711 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 149845672 is about 12241.1466783141. The cubic root of 149845672 is about 531.1470020945.

The spelling of 149845672 in words is "one hundred forty-nine million, eight hundred forty-five thousand, six hundred seventy-two".