157583747 has 4 divisors (see below), whose sum is σ = 157745040. Its totient is φ = 157422456.

The previous prime is 157583737. The next prime is 157583753. The reversal of 157583747 is 747385751.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 157583747 - 2¹⁶ = 157518211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157583707) 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 3 ways as a sum of consecutive naturals, for example, 79172 + ... + 81137.

It is an arithmetic number, because the mean of its divisors is an integer number (39436260).

Almost surely, 2^157583747 is an apocalyptic number.

157583747 is a deficient number, since it is larger than the sum of its proper divisors (161293).

157583747 is an equidigital number, since it uses as much as digits as its factorization.

157583747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161292.

The product of its digits is 823200, while the sum is 47.

The square root of 157583747 is about 12553.2365149391. The cubic root of 157583747 is about 540.1368503179.

The spelling of 157583747 in words is "one hundred fifty-seven million, five hundred eighty-three thousand, seven hundred forty-seven".