157545851 has 8 divisors (see below), whose sum is σ = 170693424. Its totient is φ = 144829440.

The previous prime is 157545847. The next prime is 157545863. The reversal of 157545851 is 158545751.

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 157545851 - 2² = 157545847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157545799 and 157545808.

It is not an unprimeable number, because it can be changed into a prime (157545841) 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, 107030 + ... + 108491.

It is an arithmetic number, because the mean of its divisors is an integer number (21336678).

Almost surely, 2^157545851 is an apocalyptic number.

157545851 is a deficient number, since it is larger than the sum of its proper divisors (13147573).

157545851 is a wasteful number, since it uses less digits than its factorization.

157545851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215581.

The product of its digits is 140000, while the sum is 41.

The square root of 157545851 is about 12551.7270126465. The cubic root of 157545851 is about 540.0935491791.

The spelling of 157545851 in words is "one hundred fifty-seven million, five hundred forty-five thousand, eight hundred fifty-one".