157583530 has 32 divisors (see below), whose sum is σ = 321552000. Its totient is φ = 55121472.

The previous prime is 157583521. The next prime is 157583539. The reversal of 157583530 is 35385751.

It is an interprime number because it is at equal distance from previous prime (157583521) and next prime (157583539).

It is a self number, because there is not a number n which added to its sum of digits gives 157583530.

It is not an unprimeable number, because it can be changed into a prime (157583539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29430 + ... + 34369.

It is an arithmetic number, because the mean of its divisors is an integer number (10048500).

Almost surely, 2^157583530 is an apocalyptic number.

157583530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157583530 is an abundant number, since it is smaller than the sum of its proper divisors (163968470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157583530 is a wasteful number, since it uses less digits than its factorization.

157583530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63838.

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 157583530 is about 12553.2278717468. The cubic root of 157583530 is about 540.1366023867.

The spelling of 157583530 in words is "one hundred fifty-seven million, five hundred eighty-three thousand, five hundred thirty".