157398851 has 8 divisors (see below), whose sum is σ = 162472800. Its totient is φ = 152368128.

The previous prime is 157398841. The next prime is 157398881. The reversal of 157398851 is 158893751.

It is a happy number.

157398851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 157398851 - 2¹⁰ = 157397827 is a prime.

It is a super-2 number, since 2×157398851² = 49548796592240402, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157398796 and 157398805.

It is not an unprimeable number, because it can be changed into a prime (157398841) 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, 3326 + ... + 18051.

It is an arithmetic number, because the mean of its divisors is an integer number (20309100).

Almost surely, 2^157398851 is an apocalyptic number.

157398851 is a deficient number, since it is larger than the sum of its proper divisors (5073949).

157398851 is a wasteful number, since it uses less digits than its factorization.

157398851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21613.

The product of its digits is 302400, while the sum is 47.

The square root of 157398851 is about 12545.8698781711. The cubic root of 157398851 is about 539.9255167044.

The spelling of 157398851 in words is "one hundred fifty-seven million, three hundred ninety-eight thousand, eight hundred fifty-one".