149817552 has 20 divisors (see below), whose sum is σ = 387028800. Its totient is φ = 49939168.

The previous prime is 149817541. The next prime is 149817559. The reversal of 149817552 is 255718941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149817559) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1560552 + ... + 1560647.

It is an arithmetic number, because the mean of its divisors is an integer number (19351440).

Almost surely, 2^149817552 is an apocalyptic number.

149817552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

149817552 is an abundant number, since it is smaller than the sum of its proper divisors (237211248).

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

149817552 is a wasteful number, since it uses less digits than its factorization.

149817552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3121210 (or 3121204 counting only the distinct ones).

The product of its digits is 100800, while the sum is 42.

The square root of 149817552 is about 12239.9980392155. The cubic root of 149817552 is about 531.1137750463.

The spelling of 149817552 in words is "one hundred forty-nine million, eight hundred seventeen thousand, five hundred fifty-two".