148399779045 has 32 divisors (see below), whose sum is σ = 272391432192. Its totient is φ = 67581940032.

The previous prime is 148399779001. The next prime is 148399779089. The reversal of 148399779045 is 540977993841.

It is an interprime number because it is at equal distance from previous prime (148399779001) and next prime (148399779089).

It is not a de Polignac number, because 148399779045 - 2¹⁴ = 148399762661 is a prime.

It is a super-2 number, since 2×148399779045² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2659327 + ... + 2714556.

It is an arithmetic number, because the mean of its divisors is an integer number (8512232256).

Almost surely, 2^148399779045 is an apocalyptic number.

148399779045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

148399779045 is a deficient number, since it is larger than the sum of its proper divisors (123991653147).

148399779045 is a wasteful number, since it uses less digits than its factorization.

148399779045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5374161.

The product of its (nonzero) digits is 68584320, while the sum is 66.

The spelling of 148399779045 in words is "one hundred forty-eight billion, three hundred ninety-nine million, seven hundred seventy-nine thousand, forty-five".