149732740 has 24 divisors (see below), whose sum is σ = 315026712. Its totient is φ = 59781120.

The previous prime is 149732689. The next prime is 149732743. The reversal of 149732740 is 47237941.

149732740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2256004 + 147476736 = 1502^2 + 12144^2 .

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 a self number, because there is not a number n which added to its sum of digits gives 149732740.

It is not an unprimeable number, because it can be changed into a prime (149732743) 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, 4420 + ... + 17860.

It is an arithmetic number, because the mean of its divisors is an integer number (13126113).

Almost surely, 2^149732740 is an apocalyptic number.

149732740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149732740 is an abundant number, since it is smaller than the sum of its proper divisors (165293972).

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

149732740 is a wasteful number, since it uses less digits than its factorization.

149732740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14007 (or 14005 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 149732740 is about 12236.5330057169. The cubic root of 149732740 is about 531.0135346238.

The spelling of 149732740 in words is "one hundred forty-nine million, seven hundred thirty-two thousand, seven hundred forty".