148497640 has 16 divisors (see below), whose sum is σ = 334119780. Its totient is φ = 59399040.

The previous prime is 148497623. The next prime is 148497653. The reversal of 148497640 is 46794841.

148497640 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 2 ways, for example, as 147719716 + 777924 = 12154^2 + 882^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1856181 + ... + 1856260.

Almost surely, 2^148497640 is an apocalyptic number.

148497640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148497640 is an abundant number, since it is smaller than the sum of its proper divisors (185622140).

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

148497640 is a wasteful number, since it uses less digits than its factorization.

148497640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712452 (or 3712448 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 148497640 is about 12185.9607745963. The cubic root of 148497640 is about 529.5494450241.

The spelling of 148497640 in words is "one hundred forty-eight million, four hundred ninety-seven thousand, six hundred forty".