157695733 has 4 divisors (see below), whose sum is σ = 169826188. Its totient is φ = 145565280.

The previous prime is 157695721. The next prime is 157695761. The reversal of 157695733 is 337596751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 337596751 = 13339 ⋅25309.

It can be written as a sum of positive squares in 2 ways, for example, as 13527684 + 144168049 = 3678^2 + 12007^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157695733 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 (157695133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6065208 + ... + 6065233.

It is an arithmetic number, because the mean of its divisors is an integer number (42456547).

Almost surely, 2^157695733 is an apocalyptic number.

157695733 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

157695733 is a deficient number, since it is larger than the sum of its proper divisors (12130455).

157695733 is a wasteful number, since it uses less digits than its factorization.

157695733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12130454.

The product of its digits is 595350, while the sum is 46.

The square root of 157695733 is about 12557.6961660967. The cubic root of 157695733 is about 540.2647684221.

The spelling of 157695733 in words is "one hundred fifty-seven million, six hundred ninety-five thousand, seven hundred thirty-three".