148451082021 has 32 divisors (see below), whose sum is σ = 240564339840. Its totient is φ = 89729078400.

The previous prime is 148451082007. The next prime is 148451082037. The reversal of 148451082021 is 120280154841.

148451082021 is a `hidden beast` number, since 1 + 48 + 4 + 510 + 82 + 0 + 21 = 666.

It is not a de Polignac number, because 148451082021 - 2⁷ = 148451081893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148451082071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 559240 + ... + 780801.

It is an arithmetic number, because the mean of its divisors is an integer number (7517635620).

Almost surely, 2^148451082021 is an apocalyptic number.

148451082021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

148451082021 is a deficient number, since it is larger than the sum of its proper divisors (92113257819).

148451082021 is a wasteful number, since it uses less digits than its factorization.

148451082021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340434 (or 1340428 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The spelling of 148451082021 in words is "one hundred forty-eight billion, four hundred fifty-one million, eighty-two thousand, twenty-one".