149333544 has 40 divisors (see below), whose sum is σ = 418274010. Its totient is φ = 49777632.

The previous prime is 149333501. The next prime is 149333567. The reversal of 149333544 is 445333941.

It can be written as a sum of positive squares in only one way, i.e., 99800100 + 49533444 = 9990^2 + 7038^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 149333499 and 149333508.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 114579 + ... + 115874.

Almost surely, 2^149333544 is an apocalyptic number.

It is an amenable number.

149333544 is an abundant number, since it is smaller than the sum of its proper divisors (268940466).

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

149333544 is a wasteful number, since it uses less digits than its factorization.

149333544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230471 (or 230458 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 149333544 is about 12220.2104728192. The cubic root of 149333544 is about 530.5412105333.

The spelling of 149333544 in words is "one hundred forty-nine million, three hundred thirty-three thousand, five hundred forty-four".