148643625 has 32 divisors (see below), whose sum is σ = 266378112. Its totient is φ = 73176000.

The previous prime is 148643611. The next prime is 148643633. The reversal of 148643625 is 526346841.

148643625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 148643625 - 2⁴ = 148643609 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10371 + ... + 20120.

It is an arithmetic number, because the mean of its divisors is an integer number (8324316).

Almost surely, 2^148643625 is an apocalyptic number.

148643625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

148643625 is a deficient number, since it is larger than the sum of its proper divisors (117734487).

148643625 is a wasteful number, since it uses less digits than its factorization.

148643625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30522 (or 30512 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 148643625 is about 12191.9491878862. The cubic root of 148643625 is about 529.7229179422.

The spelling of 148643625 in words is "one hundred forty-eight million, six hundred forty-three thousand, six hundred twenty-five".