148470731761 has 27 divisors (see below), whose sum is σ = 170711127097. Its totient is φ = 129020213960.

The previous prime is 148470731737. The next prime is 148470731813. The reversal of 148470731761 is 167137074841.

It is a happy number.

The square root of 148470731761 is 385319.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 148470731761 - 2⁹ = 148470731249 is a prime.

It is a super-2 number, since 2×148470731761² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148470731561) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 97484946 + ... + 97486468.

Almost surely, 2^148470731761 is an apocalyptic number.

148470731761 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

148470731761 is the 385319-th square number.

148470731761 is the 192660-th centered octagonal number.

It is an amenable number.

148470731761 is a deficient number, since it is larger than the sum of its proper divisors (22240395336).

148470731761 is an frugal number, since it uses more digits than its factorization.

148470731761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3114 (or 1557 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 49.

Multiplying 148470731761 by its sum of digits (49), we get a square (7275065856289 = 2697233²).

The spelling of 148470731761 in words is "one hundred forty-eight billion, four hundred seventy million, seven hundred thirty-one thousand, seven hundred sixty-one".