148288521621 has 16 divisors (see below), whose sum is σ = 218450611584. Its totient is φ = 88998395904.

The previous prime is 148288521599. The next prime is 148288521649. The reversal of 148288521621 is 126125882841.

It is not a de Polignac number, because 148288521621 - 2¹¹ = 148288519573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148288521221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63207916 + ... + 63210261.

It is an arithmetic number, because the mean of its divisors is an integer number (13653163224).

Almost surely, 2^148288521621 is an apocalyptic number.

It is an amenable number.

148288521621 is a deficient number, since it is larger than the sum of its proper divisors (70162089963).

148288521621 is a wasteful number, since it uses less digits than its factorization.

148288521621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126418220.

The product of its digits is 491520, while the sum is 48.

The spelling of 148288521621 in words is "one hundred forty-eight billion, two hundred eighty-eight million, five hundred twenty-one thousand, six hundred twenty-one".