148491878397 has 16 divisors (see below), whose sum is σ = 202009563648. Its totient is φ = 97001498160.

The previous prime is 148491878357. The next prime is 148491878401. The reversal of 148491878397 is 793878194841.

It is not a de Polignac number, because 148491878397 - 2¹⁸ = 148491616253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148491878357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2103763 + ... + 2173200.

It is an arithmetic number, because the mean of its divisors is an integer number (12625597728).

Almost surely, 2^148491878397 is an apocalyptic number.

It is an amenable number.

148491878397 is a deficient number, since it is larger than the sum of its proper divisors (53517685251).

148491878397 is a wasteful number, since it uses less digits than its factorization.

148491878397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4277200.

The product of its digits is 97542144, while the sum is 69.

The spelling of 148491878397 in words is "one hundred forty-eight billion, four hundred ninety-one million, eight hundred seventy-eight thousand, three hundred ninety-seven".