157621853 has 8 divisors (see below), whose sum is σ = 166708320. Its totient is φ = 148614480.

The previous prime is 157621847. The next prime is 157621883. The reversal of 157621853 is 358126751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157621853 - 2⁴ = 157621837 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 (157621823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15650 + ... + 23667.

It is an arithmetic number, because the mean of its divisors is an integer number (20838540).

Almost surely, 2^157621853 is an apocalyptic number.

It is an amenable number.

157621853 is a deficient number, since it is larger than the sum of its proper divisors (9086467).

157621853 is a wasteful number, since it uses less digits than its factorization.

157621853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39547.

The product of its digits is 50400, while the sum is 38.

The square root of 157621853 is about 12554.7541991072. The cubic root of 157621853 is about 540.1803844098.

The spelling of 157621853 in words is "one hundred fifty-seven million, six hundred twenty-one thousand, eight hundred fifty-three".