152145557 has 4 divisors (see below), whose sum is σ = 153978720. Its totient is φ = 150312396.

The previous prime is 152145527. The next prime is 152145569. The reversal of 152145557 is 755541251.

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.

It is a cyclic number.

It is not a de Polignac number, because 152145557 - 2⁶ = 152145493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152145527) 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, 916457 + ... + 916622.

It is an arithmetic number, because the mean of its divisors is an integer number (38494680).

Almost surely, 2^152145557 is an apocalyptic number.

It is an amenable number.

152145557 is a deficient number, since it is larger than the sum of its proper divisors (1833163).

152145557 is an equidigital number, since it uses as much as digits as its factorization.

152145557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833162.

The product of its digits is 35000, while the sum is 35.

The square root of 152145557 is about 12334.7297092397. The cubic root of 152145557 is about 533.8506282639.

The spelling of 152145557 in words is "one hundred fifty-two million, one hundred forty-five thousand, five hundred fifty-seven".