45998430 has 128 divisors (see below), whose sum is σ = 126904320. Its totient is φ = 10598400.

The previous prime is 45998429. The next prime is 45998441. The reversal of 45998430 is 3489954.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 455380 + ... + 455480.

It is an arithmetic number, because the mean of its divisors is an integer number (991440).

Almost surely, 2^45998430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45998430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63452160).

45998430 is an abundant number, since it is smaller than the sum of its proper divisors (80905890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45998430 is a wasteful number, since it uses less digits than its factorization.

45998430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 45998430 is about 6782.2142402021. The cubic root of 45998430 is about 358.3007106892.

It can be divided in two parts, 459 and 98430, that added together give a palindrome (98889).

The spelling of 45998430 in words is "forty-five million, nine hundred ninety-eight thousand, four hundred thirty".