45861340 has 24 divisors (see below), whose sum is σ = 110067552. Its totient is φ = 15723840.

The previous prime is 45861337. The next prime is 45861391. The reversal of 45861340 is 4316854.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163651 + ... + 163930.

It is an arithmetic number, because the mean of its divisors is an integer number (4586148).

Almost surely, 2^45861340 is an apocalyptic number.

It is an amenable number.

45861340 is an abundant number, since it is smaller than the sum of its proper divisors (64206212).

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

45861340 is a wasteful number, since it uses less digits than its factorization.

45861340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327597 (or 327595 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 45861340 is about 6772.1001173934. The cubic root of 45861340 is about 357.9444063357.

The spelling of 45861340 in words is "forty-five million, eight hundred sixty-one thousand, three hundred forty".