149520715 has 8 divisors (see below), whose sum is σ = 180526608. Its totient is φ = 118882080.

The previous prime is 149520697. The next prime is 149520733. The reversal of 149520715 is 517025941.

It is an interprime number because it is at equal distance from previous prime (149520697) and next prime (149520733).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 149520715 - 2¹⁹ = 148996427 is a prime.

It is a super-2 number, since 2×149520715² = 44712888428222450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90916 + ... + 92545.

It is an arithmetic number, because the mean of its divisors is an integer number (22565826).

Almost surely, 2^149520715 is an apocalyptic number.

149520715 is a deficient number, since it is larger than the sum of its proper divisors (31005893).

149520715 is a wasteful number, since it uses less digits than its factorization.

149520715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183629.

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 149520715 is about 12227.8663306400. The cubic root of 149520715 is about 530.7627737704.

The spelling of 149520715 in words is "one hundred forty-nine million, five hundred twenty thousand, seven hundred fifteen".