148064021 has 4 divisors (see below), whose sum is σ = 169216032. Its totient is φ = 126912012.

The previous prime is 148063991. The next prime is 148064023. The reversal of 148064021 is 120460841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 148064021 - 2⁶ = 148063957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148064023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10575995 + ... + 10576008.

It is an arithmetic number, because the mean of its divisors is an integer number (42304008).

Almost surely, 2^148064021 is an apocalyptic number.

It is an amenable number.

148064021 is a deficient number, since it is larger than the sum of its proper divisors (21152011).

148064021 is an equidigital number, since it uses as much as digits as its factorization.

148064021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21152010.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 148064021 is about 12168.1560229971. The cubic root of 148064021 is about 529.0335073824.

The spelling of 148064021 in words is "one hundred forty-eight million, sixty-four thousand, twenty-one".