148997320 has 16 divisors (see below), whose sum is σ = 335244060. Its totient is φ = 59598912.

The previous prime is 148997309. The next prime is 148997323. The reversal of 148997320 is 23799841.

It can be written as a sum of positive squares in 2 ways, for example, as 148791204 + 206116 = 12198^2 + 454^2 .

It is not an unprimeable number, because it can be changed into a prime (148997323) 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, 1862427 + ... + 1862506.

Almost surely, 2^148997320 is an apocalyptic number.

148997320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148997320 is an abundant number, since it is smaller than the sum of its proper divisors (186246740).

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

148997320 is a wasteful number, since it uses less digits than its factorization.

148997320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3724944 (or 3724940 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 148997320 is about 12206.4458381627. The cubic root of 148997320 is about 530.1427407155.

The spelling of 148997320 in words is "one hundred forty-eight million, nine hundred ninety-seven thousand, three hundred twenty".