148117761 has 48 divisors (see below), whose sum is σ = 248339520. Its totient is φ = 86526720.

The previous prime is 148117759. The next prime is 148117763. The reversal of 148117761 is 167711841.

148117761 is a `hidden beast` number, since 1 + 481 + 177 + 6 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (148117759) and next prime (148117763).

It is not a de Polignac number, because 148117761 - 2¹ = 148117759 is a prime.

It is a super-2 number, since 2×148117761² = 43877742247306242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148117763) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 249481 + ... + 250073.

It is an arithmetic number, because the mean of its divisors is an integer number (5173740).

Almost surely, 2^148117761 is an apocalyptic number.

148117761 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

148117761 is a deficient number, since it is larger than the sum of its proper divisors (100221759).

148117761 is a wasteful number, since it uses less digits than its factorization.

148117761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671 (or 636 counting only the distinct ones).

The product of its digits is 9408, while the sum is 36.

The square root of 148117761 is about 12170.3640455000. The cubic root of 148117761 is about 529.0975040724.

The spelling of 148117761 in words is "one hundred forty-eight million, one hundred seventeen thousand, seven hundred sixty-one".