152115577 has 4 divisors (see below), whose sum is σ = 160121680. Its totient is φ = 144109476.

The previous prime is 152115571. The next prime is 152115581. The reversal of 152115577 is 775511251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 775511251 = 6373 ⋅121687.

It is a cyclic number.

It is not a de Polignac number, because 152115577 - 2³ = 152115569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152115571) 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, 4003023 + ... + 4003060.

It is an arithmetic number, because the mean of its divisors is an integer number (40030420).

Almost surely, 2^152115577 is an apocalyptic number.

It is an amenable number.

152115577 is a deficient number, since it is larger than the sum of its proper divisors (8006103).

152115577 is an equidigital number, since it uses as much as digits as its factorization.

152115577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8006102.

The product of its digits is 12250, while the sum is 34.

The square root of 152115577 is about 12333.5143815540. The cubic root of 152115577 is about 533.8155612015.

The spelling of 152115577 in words is "one hundred fifty-two million, one hundred fifteen thousand, five hundred seventy-seven".