45002431 has 8 divisors (see below), whose sum is σ = 47545200. Its totient is φ = 42477120.

The previous prime is 45002423. The next prime is 45002437. The reversal of 45002431 is 13420054.

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 45002431 - 2³ = 45002423 is a prime.

It is a super-2 number, since 2×45002431² = 4050437591819522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 45002399 and 45002408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45002437) 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, 1125 + ... + 9553.

It is an arithmetic number, because the mean of its divisors is an integer number (5943150).

Almost surely, 2^45002431 is an apocalyptic number.

45002431 is a deficient number, since it is larger than the sum of its proper divisors (2542769).

45002431 is a wasteful number, since it uses less digits than its factorization.

45002431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8729.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 45002431 is about 6708.3851260941. The cubic root of 45002431 is about 355.6957353764.

Adding to 45002431 its reverse (13420054), we get a palindrome (58422485).

The spelling of 45002431 in words is "forty-five million, two thousand, four hundred thirty-one".