148283764981 has 12 divisors (see below), whose sum is σ = 166457462976. Its totient is φ = 131935259720.

The previous prime is 148283764961. The next prime is 148283764997. The reversal of 148283764981 is 189467382841.

It is not a de Polignac number, because 148283764981 - 2¹¹ = 148283762933 is a prime.

It is a super-2 number, since 2×148283764981² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148283764931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13031395 + ... + 13042768.

It is an arithmetic number, because the mean of its divisors is an integer number (13871455248).

Almost surely, 2^148283764981 is an apocalyptic number.

148283764981 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

148283764981 is a deficient number, since it is larger than the sum of its proper divisors (18173697995).

148283764981 is a wasteful number, since it uses less digits than its factorization.

148283764981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26074232 (or 26074221 counting only the distinct ones).

The product of its digits is 18579456, while the sum is 61.

The spelling of 148283764981 in words is "one hundred forty-eight billion, two hundred eighty-three million, seven hundred sixty-four thousand, nine hundred eighty-one".