149485572 has 18 divisors (see below), whose sum is σ = 377866398. Its totient is φ = 49828512.

The previous prime is 149485561. The next prime is 149485603. The reversal of 149485572 is 275584941.

149485572 is a `hidden beast` number, since 1 + 4 + 94 + 8 + 557 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 86378436 + 63107136 = 9294^2 + 7944^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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 in 5 ways as a sum of consecutive naturals, for example, 2076153 + ... + 2076224.

Almost surely, 2^149485572 is an apocalyptic number.

149485572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

149485572 is an abundant number, since it is smaller than the sum of its proper divisors (228380826).

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

149485572 is a wasteful number, since it uses less digits than its factorization.

149485572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4152387 (or 4152382 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 149485572 is about 12226.4292416061. The cubic root of 149485572 is about 530.7211874308.

The spelling of 149485572 in words is "one hundred forty-nine million, four hundred eighty-five thousand, five hundred seventy-two".