153121272445 has 8 divisors (see below), whose sum is σ = 186071420160. Its totient is φ = 120946422480.

The previous prime is 153121272439. The next prime is 153121272481. The reversal of 153121272445 is 544272121351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 153121272445 - 2²³ = 153112883837 is a prime.

It is a super-2 number, since 2×153121272445² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193824001 + ... + 193824790.

It is an arithmetic number, because the mean of its divisors is an integer number (23258927520).

Almost surely, 2^153121272445 is an apocalyptic number.

It is an amenable number.

153121272445 is a deficient number, since it is larger than the sum of its proper divisors (32950147715).

153121272445 is an equidigital number, since it uses as much as digits as its factorization.

153121272445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387648875.

The product of its digits is 67200, while the sum is 37.

Adding to 153121272445 its reverse (544272121351), we get a palindrome (697393393796).

The spelling of 153121272445 in words is "one hundred fifty-three billion, one hundred twenty-one million, two hundred seventy-two thousand, four hundred forty-five".