149581480 has 32 divisors (see below), whose sum is σ = 337193640. Its totient is φ = 59719680.

The previous prime is 149581447. The next prime is 149581511. The reversal of 149581480 is 84185941.

149581480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 145395364 + 4186116 = 12058^2 + 2046^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19840 + ... + 26320.

Almost surely, 2^149581480 is an apocalyptic number.

149581480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149581480 is an abundant number, since it is smaller than the sum of its proper divisors (187612160).

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

149581480 is a wasteful number, since it uses less digits than its factorization.

149581480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7069 (or 7065 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 149581480 is about 12230.3507717481. The cubic root of 149581480 is about 530.8346644377.

The spelling of 149581480 in words is "one hundred forty-nine million, five hundred eighty-one thousand, four hundred eighty".