45997446 has 32 divisors (see below), whose sum is σ = 101743488. Its totient is φ = 13746240.

The previous prime is 45997439. The next prime is 45997453. The reversal of 45997446 is 64479954.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45997439) and next prime (45997453).

It is a junction number, because it is equal to n+sod(n) for n = 45997395 and 45997404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45 + ... + 9591.

It is an arithmetic number, because the mean of its divisors is an integer number (3179484).

Almost surely, 2^45997446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45997446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50871744).

45997446 is an abundant number, since it is smaller than the sum of its proper divisors (55746042).

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

45997446 is a wasteful number, since it uses less digits than its factorization.

45997446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9636.

The product of its digits is 1088640, while the sum is 48.

The square root of 45997446 is about 6782.1416971337. The cubic root of 45997446 is about 358.2981557439.

The spelling of 45997446 in words is "forty-five million, nine hundred ninety-seven thousand, four hundred forty-six".