45402430 has 16 divisors (see below), whose sum is σ = 81834624. Its totient is φ = 18136480.

The previous prime is 45402407. The next prime is 45402439. The reversal of 45402430 is 3420454.

It is a happy number.

It is a super-2 number, since 2×45402430² = 4122761299809800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45402439) 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, 6000 + ... + 11260.

It is an arithmetic number, because the mean of its divisors is an integer number (5114664).

Almost surely, 2^45402430 is an apocalyptic number.

45402430 is a deficient number, since it is larger than the sum of its proper divisors (36432194).

45402430 is a wasteful number, since it uses less digits than its factorization.

45402430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6131.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 45402430 is about 6738.1325306052. The cubic root of 45402430 is about 356.7464820744.

Adding to 45402430 its reverse (3420454), we get a palindrome (48822884).

The spelling of 45402430 in words is "forty-five million, four hundred two thousand, four hundred thirty".