156053451 has 4 divisors (see below), whose sum is σ = 208071272. Its totient is φ = 104035632.

The previous prime is 156053449. The next prime is 156053467. The reversal of 156053451 is 154350651.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 156053451 - 2¹ = 156053449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (156553451) 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, 26008906 + ... + 26008911.

It is an arithmetic number, because the mean of its divisors is an integer number (52017818).

Almost surely, 2^156053451 is an apocalyptic number.

156053451 is a deficient number, since it is larger than the sum of its proper divisors (52017821).

156053451 is an equidigital number, since it uses as much as digits as its factorization.

156053451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52017820.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 156053451 is about 12492.1355660271. The cubic root of 156053451 is about 538.3827366875.

The spelling of 156053451 in words is "one hundred fifty-six million, fifty-three thousand, four hundred fifty-one".