149306340 has 48 divisors (see below), whose sum is σ = 436238208. Its totient is φ = 38083584.

The previous prime is 149306329. The next prime is 149306341. The reversal of 149306340 is 43603941.

It is a super-5 number, since 5×149306340⁵ (a number of 42 digits) contains 55555 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 149306298 and 149306307.

It is not an unprimeable number, because it can be changed into a prime (149306341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52717 + ... + 55476.

It is an arithmetic number, because the mean of its divisors is an integer number (9088296).

Almost surely, 2^149306340 is an apocalyptic number.

149306340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149306340 is an abundant number, since it is smaller than the sum of its proper divisors (286931868).

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

149306340 is a wasteful number, since it uses less digits than its factorization.

149306340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108228 (or 108226 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 149306340 is about 12219.0973480041. The cubic root of 149306340 is about 530.5089924547.

The spelling of 149306340 in words is "one hundred forty-nine million, three hundred six thousand, three hundred forty".