157026451 has 4 divisors (see below), whose sum is σ = 163853712. Its totient is φ = 150199192.

The previous prime is 157026449. The next prime is 157026461. The reversal of 157026451 is 154620751.

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 157026451 - 2¹ = 157026449 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (157026421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3413596 + ... + 3413641.

It is an arithmetic number, because the mean of its divisors is an integer number (40963428).

Almost surely, 2^157026451 is an apocalyptic number.

157026451 is a deficient number, since it is larger than the sum of its proper divisors (6827261).

157026451 is an equidigital number, since it uses as much as digits as its factorization.

157026451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6827260.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 157026451 is about 12531.0195514970. The cubic root of 157026451 is about 539.4993656804.

The spelling of 157026451 in words is "one hundred fifty-seven million, twenty-six thousand, four hundred fifty-one".