148637645 has 16 divisors (see below), whose sum is σ = 194406912. Its totient is φ = 108436800.

The previous prime is 148637623. The next prime is 148637651. The reversal of 148637645 is 546736841.

148637645 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 148637645 - 2⁸ = 148637389 is a prime.

It is a super-3 number, since 3×148637645³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 148637596 and 148637605.

It is a congruent number.

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, 8381 + ... + 19170.

It is an arithmetic number, because the mean of its divisors is an integer number (12150432).

Almost surely, 2^148637645 is an apocalyptic number.

It is an amenable number.

148637645 is a deficient number, since it is larger than the sum of its proper divisors (45769267).

148637645 is a wasteful number, since it uses less digits than its factorization.

148637645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27652.

The product of its digits is 483840, while the sum is 44.

The square root of 148637645 is about 12191.7039416154. The cubic root of 148637645 is about 529.7158141830.

The spelling of 148637645 in words is "one hundred forty-eight million, six hundred thirty-seven thousand, six hundred forty-five".