148237940 has 24 divisors (see below), whose sum is σ = 313545120. Its totient is φ = 58867488.

The previous prime is 148237927. The next prime is 148237949. The reversal of 148237940 is 49732841.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 148237894 and 148237903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148237949) 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, 23882 + ... + 29441.

It is an arithmetic number, because the mean of its divisors is an integer number (13064380).

Almost surely, 2^148237940 is an apocalyptic number.

148237940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148237940 is an abundant number, since it is smaller than the sum of its proper divisors (165307180).

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

148237940 is a wasteful number, since it uses less digits than its factorization.

148237940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53471 (or 53469 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 148237940 is about 12175.3004069715. The cubic root of 148237940 is about 529.2405641592.

The spelling of 148237940 in words is "one hundred forty-eight million, two hundred thirty-seven thousand, nine hundred forty".