149529340 has 12 divisors (see below), whose sum is σ = 314011656. Its totient is φ = 59811728.

The previous prime is 149529329. The next prime is 149529343. The reversal of 149529340 is 43925941.

It is a self number, because there is not a number n which added to its sum of digits gives 149529340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149529343) 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, 3738214 + ... + 3738253.

It is an arithmetic number, because the mean of its divisors is an integer number (26167638).

Almost surely, 2^149529340 is an apocalyptic number.

149529340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149529340 is an abundant number, since it is smaller than the sum of its proper divisors (164482316).

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

149529340 is a wasteful number, since it uses less digits than its factorization.

149529340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7476476 (or 7476474 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 149529340 is about 12228.2190035998. The cubic root of 149529340 is about 530.7729791365.

The spelling of 149529340 in words is "one hundred forty-nine million, five hundred twenty-nine thousand, three hundred forty".