45210152421 has 12 divisors (see below), whose sum is σ = 74632632672. Its totient is φ = 25834372776.

The previous prime is 45210152411. The next prime is 45210152431. The reversal of 45210152421 is 12425101254.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45210152411) and next prime (45210152431).

It is not a de Polignac number, because 45210152421 - 2⁷ = 45210152293 is a prime.

It is a super-2 number, since 2×45210152421² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45210152411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 358810671 + ... + 358810796.

It is an arithmetic number, because the mean of its divisors is an integer number (6219386056).

Almost surely, 2^45210152421 is an apocalyptic number.

It is an amenable number.

45210152421 is a deficient number, since it is larger than the sum of its proper divisors (29422480251).

45210152421 is a wasteful number, since it uses less digits than its factorization.

45210152421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717621480 (or 717621477 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 45210152421 its reverse (12425101254), we get a palindrome (57635253675).

The spelling of 45210152421 in words is "forty-five billion, two hundred ten million, one hundred fifty-two thousand, four hundred twenty-one".