149681260 has 24 divisors (see below), whose sum is σ = 332821440. Its totient is φ = 56350464.

The previous prime is 149681239. The next prime is 149681261. The reversal of 149681260 is 62186941.

It is a happy number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (149681261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219780 + ... + 220459.

It is an arithmetic number, because the mean of its divisors is an integer number (13867560).

Almost surely, 2^149681260 is an apocalyptic number.

149681260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149681260 is an abundant number, since it is smaller than the sum of its proper divisors (183140180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149681260 is a wasteful number, since it uses less digits than its factorization.

149681260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440265 (or 440263 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 149681260 is about 12234.4292878744. The cubic root of 149681260 is about 530.9526712699.

It can be divided in two parts, 149681 and 260, that added together give a palindrome (149941).

The spelling of 149681260 in words is "one hundred forty-nine million, six hundred eighty-one thousand, two hundred sixty".