148195730 has 32 divisors (see below), whose sum is σ = 280672560. Its totient is φ = 56263680.

The previous prime is 148195699. The next prime is 148195757. The reversal of 148195730 is 37591841.

It can be written as a sum of positive squares in 8 ways, for example, as 44502241 + 103693489 = 6671^2 + 10183^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10286 + ... + 20054.

Almost surely, 2^148195730 is an apocalyptic number.

148195730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

148195730 is a deficient number, since it is larger than the sum of its proper divisors (132476830).

148195730 is a wasteful number, since it uses less digits than its factorization.

148195730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9854.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 148195730 is about 12173.5668561026. The cubic root of 148195730 is about 529.1903265370.

The spelling of 148195730 in words is "one hundred forty-eight million, one hundred ninety-five thousand, seven hundred thirty".