45897340 has 48 divisors (see below), whose sum is σ = 99969408. Its totient is φ = 17688384.

The previous prime is 45897317. The next prime is 45897347. The reversal of 45897340 is 4379854.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 45897293 and 45897302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45897347) 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, 71059 + ... + 71701.

It is an arithmetic number, because the mean of its divisors is an integer number (2082696).

Almost surely, 2^45897340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45897340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49984704).

45897340 is an abundant number, since it is smaller than the sum of its proper divisors (54072068).

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

45897340 is a wasteful number, since it uses less digits than its factorization.

45897340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778 (or 776 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 45897340 is about 6774.7575602379. The cubic root of 45897340 is about 358.0380409625.

The spelling of 45897340 in words is "forty-five million, eight hundred ninety-seven thousand, three hundred forty".