149752448 has 32 divisors (see below), whose sum is σ = 311312160. Its totient is φ = 71619328.

The previous prime is 149752441. The next prime is 149752453. The reversal of 149752448 is 844257941.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 149752399 and 149752408.

It is not an unprimeable number, because it can be changed into a prime (149752441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22490 + ... + 28377.

It is an arithmetic number, because the mean of its divisors is an integer number (9728505).

Almost surely, 2^149752448 is an apocalyptic number.

It is an amenable number.

149752448 is an abundant number, since it is smaller than the sum of its proper divisors (161559712).

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

149752448 is an equidigital number, since it uses as much as digits as its factorization.

149752448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50904 (or 50892 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The square root of 149752448 is about 12237.3382726801. The cubic root of 149752448 is about 531.0368311445.

The spelling of 149752448 in words is "one hundred forty-nine million, seven hundred fifty-two thousand, four hundred forty-eight".