148552921 has 8 divisors (see below), whose sum is σ = 163663488. Its totient is φ = 133710000.

The previous prime is 148552907. The next prime is 148552927. The reversal of 148552921 is 129255841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 148552921 - 2⁵ = 148552889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148552927) 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, 65745 + ... + 67966.

It is an arithmetic number, because the mean of its divisors is an integer number (20457936).

Almost surely, 2^148552921 is an apocalyptic number.

148552921 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

148552921 is a deficient number, since it is larger than the sum of its proper divisors (15110567).

148552921 is a wasteful number, since it uses less digits than its factorization.

148552921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133823.

The product of its digits is 28800, while the sum is 37.

The square root of 148552921 is about 12188.2287884664. The cubic root of 148552921 is about 529.6151484050.

The spelling of 148552921 in words is "one hundred forty-eight million, five hundred fifty-two thousand, nine hundred twenty-one".