149650440 has 64 divisors (see below), whose sum is σ = 464443200. Its totient is φ = 38529792.

The previous prime is 149650433. The next prime is 149650447. The reversal of 149650440 is 44056941.

It is an interprime number because it is at equal distance from previous prime (149650433) and next prime (149650447).

It is not an unprimeable number, because it can be changed into a prime (149650447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18022 + ... + 24981.

It is an arithmetic number, because the mean of its divisors is an integer number (7256925).

Almost surely, 2^149650440 is an apocalyptic number.

149650440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149650440 is an abundant number, since it is smaller than the sum of its proper divisors (314792760).

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

149650440 is a wasteful number, since it uses less digits than its factorization.

149650440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43046 (or 43042 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 149650440 is about 12233.1696628470. The cubic root of 149650440 is about 530.9162269735.

The spelling of 149650440 in words is "one hundred forty-nine million, six hundred fifty thousand, four hundred forty".