152514105421 has 4 divisors (see below), whose sum is σ = 152523853344. Its totient is φ = 152504357500.

The previous prime is 152514105391. The next prime is 152514105431. The reversal of 152514105421 is 124501415251.

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 152514105421 - 2²¹ = 152512008269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152514105431) 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, 4850455 + ... + 4881796.

It is an arithmetic number, because the mean of its divisors is an integer number (38130963336).

Almost surely, 2^152514105421 is an apocalyptic number.

It is an amenable number.

152514105421 is a deficient number, since it is larger than the sum of its proper divisors (9747923).

152514105421 is an equidigital number, since it uses as much as digits as its factorization.

152514105421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9747922.

The product of its (nonzero) digits is 8000, while the sum is 31.

The spelling of 152514105421 in words is "one hundred fifty-two billion, five hundred fourteen million, one hundred five thousand, four hundred twenty-one".