149457472 has 28 divisors (see below), whose sum is σ = 314027820. Its totient is φ = 70332416.

The previous prime is 149457449. The next prime is 149457487. The reversal of 149457472 is 274754941.

It can be written as a sum of positive squares in 2 ways, for example, as 76457536 + 72999936 = 8744^2 + 8544^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67597 + ... + 69772.

Almost surely, 2^149457472 is an apocalyptic number.

It is an amenable number.

149457472 is an abundant number, since it is smaller than the sum of its proper divisors (164570348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149457472 is a wasteful number, since it uses less digits than its factorization.

149457472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137398 (or 137388 counting only the distinct ones).

The product of its digits is 282240, while the sum is 43.

The square root of 149457472 is about 12225.2800376924. The cubic root of 149457472 is about 530.6879307097.

It can be divided in two parts, 14945 and 7472, that multiplied together give a triangular number (111669040 = T₁₄₉₄₄).

The spelling of 149457472 in words is "one hundred forty-nine million, four hundred fifty-seven thousand, four hundred seventy-two".