148573402640 has 120 divisors (see below), whose sum is σ = 396052416648. Its totient is φ = 51630858240.

The previous prime is 148573402619. The next prime is 148573402661. The reversal of 148573402640 is 46204375841.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (148573402619) and next prime (148573402661).

It can be written as a sum of positive squares in 12 ways, for example, as 45064496656 + 103508905984 = 212284^2 + 321728^2 .

It is a junction number, because it is equal to n+sod(n) for n = 148573402591 and 148573402600.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93371 + ... + 553050.

Almost surely, 2^148573402640 is an apocalyptic number.

148573402640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148573402640 is an abundant number, since it is smaller than the sum of its proper divisors (247479014008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

148573402640 is a wasteful number, since it uses less digits than its factorization.

148573402640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646477 (or 646458 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 148573402640 in words is "one hundred forty-eight billion, five hundred seventy-three million, four hundred two thousand, six hundred forty".