15145032453 has 4 divisors (see below), whose sum is σ = 20193376608. Its totient is φ = 10096688300.

The previous prime is 15145032421. The next prime is 15145032457. The reversal of 15145032453 is 35423054151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15145032453 - 2⁵ = 15145032421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15145032457) 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, 2524172073 + ... + 2524172078.

It is an arithmetic number, because the mean of its divisors is an integer number (5048344152).

Almost surely, 2^15145032453 is an apocalyptic number.

It is an amenable number.

15145032453 is a deficient number, since it is larger than the sum of its proper divisors (5048344155).

15145032453 is an equidigital number, since it uses as much as digits as its factorization.

15145032453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5048344154.

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 15145032453 in words is "fifteen billion, one hundred forty-five million, thirty-two thousand, four hundred fifty-three".