148973730 has 16 divisors (see below), whose sum is σ = 357537024. Its totient is φ = 39726320.

The previous prime is 148973723. The next prime is 148973749. The reversal of 148973730 is 37379841.

It is a super-2 number, since 2×148973730² = 44386344460225800, which contains 22 as substring.

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, 2482866 + ... + 2482925.

It is an arithmetic number, because the mean of its divisors is an integer number (22346064).

Almost surely, 2^148973730 is an apocalyptic number.

148973730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

148973730 is an abundant number, since it is smaller than the sum of its proper divisors (208563294).

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

148973730 is a wasteful number, since it uses less digits than its factorization.

148973730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4965801.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 148973730 is about 12205.4795071722. The cubic root of 148973730 is about 530.1147609565.

The spelling of 148973730 in words is "one hundred forty-eight million, nine hundred seventy-three thousand, seven hundred thirty".