149451560 has 32 divisors (see below), whose sum is σ = 344471400. Its totient is φ = 58321920.

The previous prime is 149451557. The next prime is 149451563. The reversal of 149451560 is 65154941.

It is an interprime number because it is at equal distance from previous prime (149451557) and next prime (149451563).

It can be written as a sum of positive squares in 4 ways, for example, as 78251716 + 71199844 = 8846^2 + 8438^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 149451560.

It is not an unprimeable number, because it can be changed into a prime (149451563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43925 + ... + 47204.

Almost surely, 2^149451560 is an apocalyptic number.

149451560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149451560 is an abundant number, since it is smaller than the sum of its proper divisors (195019840).

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

149451560 is a wasteful number, since it uses less digits than its factorization.

149451560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91181 (or 91177 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 149451560 is about 12225.0382412490. The cubic root of 149451560 is about 530.6809332489.

The spelling of 149451560 in words is "one hundred forty-nine million, four hundred fifty-one thousand, five hundred sixty".