152451433921 has 8 divisors (see below), whose sum is σ = 157373904384. Its totient is φ = 147529256160.

The previous prime is 152451433907. The next prime is 152451433933. The reversal of 152451433921 is 129334154251.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 152451433921 - 2⁵ = 152451433889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152451433621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1574700 + ... + 1668706.

It is an arithmetic number, because the mean of its divisors is an integer number (19671738048).

Almost surely, 2^152451433921 is an apocalyptic number.

It is an amenable number.

152451433921 is a deficient number, since it is larger than the sum of its proper divisors (4922470463).

152451433921 is an equidigital number, since it uses as much as digits as its factorization.

152451433921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146351.

The product of its digits is 129600, while the sum is 40.

The spelling of 152451433921 in words is "one hundred fifty-two billion, four hundred fifty-one million, four hundred thirty-three thousand, nine hundred twenty-one".