149572 has 12 divisors (see below), whose sum is σ = 266476. Its totient is φ = 73440.

The previous prime is 149563. The next prime is 149579. The reversal of 149572 is 275941.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2116 + 147456 = 46^2 + 384^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 149572.

It is not an unprimeable number, because it can be changed into a prime (149579) by changing a digit.

149572 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63 + ... + 550.

2¹⁴⁹⁵⁷² is an apocalyptic number.

It is an amenable number.

149572 is a deficient number, since it is larger than the sum of its proper divisors (116904).

149572 is a wasteful number, since it uses less digits than its factorization.

149572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678 (or 676 counting only the distinct ones).

The product of its digits is 2520, while the sum is 28.

The square root of 149572 is about 386.7453942841. The cubic root of 149572 is about 53.0823449995.

The spelling of 149572 in words is "one hundred forty-nine thousand, five hundred seventy-two".