149345715 has 16 divisors (see below), whose sum is σ = 239136768. Its totient is φ = 79589856.

The previous prime is 149345699. The next prime is 149345723. The reversal of 149345715 is 517543941.

It is not a de Polignac number, because 149345715 - 2⁴ = 149345699 is a prime.

It is a super-2 number, since 2×149345715² = 44608285177722450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21952 + ... + 27938.

It is an arithmetic number, because the mean of its divisors is an integer number (14946048).

Almost surely, 2^149345715 is an apocalyptic number.

149345715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

149345715 is a deficient number, since it is larger than the sum of its proper divisors (89791053).

149345715 is a wasteful number, since it uses less digits than its factorization.

149345715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7658.

The product of its digits is 75600, while the sum is 39.

The square root of 149345715 is about 12220.7084491858. The cubic root of 149345715 is about 530.5556235524. Note that the first 3 decimals are identical.

The spelling of 149345715 in words is "one hundred forty-nine million, three hundred forty-five thousand, seven hundred fifteen".