149798480 has 40 divisors (see below), whose sum is σ = 375074952. Its totient is φ = 55309824.

The previous prime is 149798431. The next prime is 149798497. The reversal of 149798480 is 84897941.

It can be written as a sum of positive squares in 4 ways, for example, as 5125696 + 144672784 = 2264^2 + 12028^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×149798480² = 44879169220620800, which contains 22 as substring.

It is a congruent number.

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, 70979 + ... + 73058.

Almost surely, 2^149798480 is an apocalyptic number.

149798480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149798480 is an abundant number, since it is smaller than the sum of its proper divisors (225276472).

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

149798480 is a wasteful number, since it uses less digits than its factorization.

149798480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144063 (or 144057 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 50.

The square root of 149798480 is about 12239.2189293271. The cubic root of 149798480 is about 531.0912368955.

The spelling of 149798480 in words is "one hundred forty-nine million, seven hundred ninety-eight thousand, four hundred eighty".