157884451 has 4 divisors (see below), whose sum is σ = 157937472. Its totient is φ = 157831432.

The previous prime is 157884427. The next prime is 157884521. The reversal of 157884451 is 154488751.

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 157884451 - 2¹³ = 157876259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157884398 and 157884407.

It is not an unprimeable number, because it can be changed into a prime (157884751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21760 + ... + 28093.

It is an arithmetic number, because the mean of its divisors is an integer number (39484368).

Almost surely, 2^157884451 is an apocalyptic number.

157884451 is a deficient number, since it is larger than the sum of its proper divisors (53021).

157884451 is an equidigital number, since it uses as much as digits as its factorization.

157884451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53020.

The product of its digits is 179200, while the sum is 43.

The square root of 157884451 is about 12565.2079568943. The cubic root of 157884451 is about 540.4801981402.

The spelling of 157884451 in words is "one hundred fifty-seven million, eight hundred eighty-four thousand, four hundred fifty-one".