148020972787 has 6 divisors (see below), whose sum is σ = 154736480612. Its totient is φ = 141585277812.

The previous prime is 148020972767. The next prime is 148020972797. The reversal of 148020972787 is 787279020841.

It is not a de Polignac number, because 148020972787 - 2²³ = 148012584179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148020972767) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139905873 + ... + 139906930.

Almost surely, 2^148020972787 is an apocalyptic number.

148020972787 is a deficient number, since it is larger than the sum of its proper divisors (6715507825).

148020972787 is an equidigital number, since it uses as much as digits as its factorization.

148020972787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279812849 (or 279812826 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 55.

The spelling of 148020972787 in words is "one hundred forty-eight billion, twenty million, nine hundred seventy-two thousand, seven hundred eighty-seven".