152215815 has 8 divisors (see below), whose sum is σ = 243545328. Its totient is φ = 81181760.

The previous prime is 152215799. The next prime is 152215831. The reversal of 152215815 is 518512251.

It is an interprime number because it is at equal distance from previous prime (152215799) and next prime (152215831).

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

It is not a de Polignac number, because 152215815 - 2⁴ = 152215799 is a prime.

It is a super-2 number, since 2×152215815² = 46339308672228450, which contains 22 as substring.

It is a congruent 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, 5073846 + ... + 5073875.

It is an arithmetic number, because the mean of its divisors is an integer number (30443166).

Almost surely, 2^152215815 is an apocalyptic number.

152215815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

152215815 is a deficient number, since it is larger than the sum of its proper divisors (91329513).

152215815 is a wasteful number, since it uses less digits than its factorization.

152215815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10147729.

The product of its digits is 4000, while the sum is 30.

The square root of 152215815 is about 12337.5773553806. The cubic root of 152215815 is about 533.9327897288.

The spelling of 152215815 in words is "one hundred fifty-two million, two hundred fifteen thousand, eight hundred fifteen".