45998358 has 80 divisors (see below), whose sum is σ = 111860736. Its totient is φ = 12594960.

The previous prime is 45998357. The next prime is 45998369. The reversal of 45998358 is 85389954.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 45998358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45998357) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 446535 + ... + 446637.

Almost surely, 2^45998358 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45998358, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55930368).

45998358 is an abundant number, since it is smaller than the sum of its proper divisors (65862378).

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

45998358 is a wasteful number, since it uses less digits than its factorization.

45998358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 146 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 51.

The square root of 45998358 is about 6782.2089321990. The cubic root of 45998358 is about 358.3005237432.

The spelling of 45998358 in words is "forty-five million, nine hundred ninety-eight thousand, three hundred fifty-eight".