149982940 has 12 divisors (see below), whose sum is σ = 314964216. Its totient is φ = 59993168.

The previous prime is 149982923. The next prime is 149982947. The reversal of 149982940 is 49289941.

149982940 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149982947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3749554 + ... + 3749593.

It is an arithmetic number, because the mean of its divisors is an integer number (26247018).

Almost surely, 2^149982940 is an apocalyptic number.

149982940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149982940 is an abundant number, since it is smaller than the sum of its proper divisors (164981276).

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

149982940 is a wasteful number, since it uses less digits than its factorization.

149982940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7499156 (or 7499154 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 149982940 is about 12246.7522225282. The cubic root of 149982940 is about 531.3091405441.

The spelling of 149982940 in words is "one hundred forty-nine million, nine hundred eighty-two thousand, nine hundred forty".