149343340 has 12 divisors (see below), whose sum is σ = 313621056. Its totient is φ = 59737328.

The previous prime is 149343277. The next prime is 149343349. The reversal of 149343340 is 43343941.

149343340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (149343349) 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, 3733564 + ... + 3733603.

It is an arithmetic number, because the mean of its divisors is an integer number (26135088).

Almost surely, 2^149343340 is an apocalyptic number.

149343340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149343340 is an abundant number, since it is smaller than the sum of its proper divisors (164277716).

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

149343340 is a wasteful number, since it uses less digits than its factorization.

149343340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7467176 (or 7467174 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 149343340 is about 12220.6112776735. The cubic root of 149343340 is about 530.5528111153.

The spelling of 149343340 in words is "one hundred forty-nine million, three hundred forty-three thousand, three hundred forty".