45840348 has 18 divisors (see below), whose sum is σ = 115874304. Its totient is φ = 15280104.

The previous prime is 45840323. The next prime is 45840349. The reversal of 45840348 is 84304854.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×45840348² = 4202675009522208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1273343 = 45840348 / (4 + 5 + 8 + 4 + 0 + 3 + 4 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45840349) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 636636 + ... + 636707.

Almost surely, 2^45840348 is an apocalyptic number.

It is an amenable number.

45840348 is an abundant number, since it is smaller than the sum of its proper divisors (70033956).

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

45840348 is a wasteful number, since it uses less digits than its factorization.

45840348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273353 (or 1273348 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 45840348 is about 6770.5500515098. The cubic root of 45840348 is about 357.8897843256.

The spelling of 45840348 in words is "forty-five million, eight hundred forty thousand, three hundred forty-eight".