148615810155 has 32 divisors (see below), whose sum is σ = 278111462400. Its totient is φ = 75090092256.

The previous prime is 148615810141. The next prime is 148615810157. The reversal of 148615810155 is 551018516841.

148615810155 is a `hidden beast` number, since 1 + 4 + 8 + 61 + 581 + 0 + 1 + 5 + 5 = 666.

It is not a de Polignac number, because 148615810155 - 2⁴ = 148615810139 is a prime.

It is a super-2 number, since 2×148615810155² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 148615810155.

It is not an unprimeable number, because it can be changed into a prime (148615810157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28967379 + ... + 28972508.

It is an arithmetic number, because the mean of its divisors is an integer number (8690983200).

Almost surely, 2^148615810155 is an apocalyptic number.

148615810155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

148615810155 is a deficient number, since it is larger than the sum of its proper divisors (129495652245).

148615810155 is a wasteful number, since it uses less digits than its factorization.

148615810155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57939920 (or 57939914 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 45.

The spelling of 148615810155 in words is "one hundred forty-eight billion, six hundred fifteen million, eight hundred ten thousand, one hundred fifty-five".