152542451251 has 4 divisors (see below), whose sum is σ = 152545753872. Its totient is φ = 152539148632.

The previous prime is 152542451249. The next prime is 152542451279. The reversal of 152542451251 is 152154245251.

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

It is a cyclic number.

It is not a de Polignac number, because 152542451251 - 2¹ = 152542451249 is a prime.

It is a super-2 number, since 2×152542451251² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 152542451251.

It is not an unprimeable number, because it can be changed into a prime (152542451291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1581031 + ... + 1674736.

It is an arithmetic number, because the mean of its divisors is an integer number (38136438468).

Almost surely, 2^152542451251 is an apocalyptic number.

152542451251 is a deficient number, since it is larger than the sum of its proper divisors (3302621).

152542451251 is an equidigital number, since it uses as much as digits as its factorization.

152542451251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3302620.

The product of its digits is 80000, while the sum is 37.

The spelling of 152542451251 in words is "one hundred fifty-two billion, five hundred forty-two million, four hundred fifty-one thousand, two hundred fifty-one".