45997000 has 64 divisors (see below), whose sum is σ = 123027840. Its totient is φ = 15768000.

The previous prime is 45996997. The next prime is 45997009. The reversal of 45997000 is 79954.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45997009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3715 + ... + 10285.

It is an arithmetic number, because the mean of its divisors is an integer number (1922310).

Almost surely, 2^45997000 is an apocalyptic number.

45997000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45997000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61513920).

45997000 is an abundant number, since it is smaller than the sum of its proper divisors (77030840).

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

45997000 is a wasteful number, since it uses less digits than its factorization.

45997000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6599 (or 6585 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 45997000 is about 6782.1088165850. The cubic root of 45997000 is about 358.2969976978.

The spelling of 45997000 in words is "forty-five million, nine hundred ninety-seven thousand".