45315774 has 80 divisors (see below), whose sum is σ = 117612000. Its totient is φ = 12773376.

The previous prime is 45315763. The next prime is 45315797. The reversal of 45315774 is 47751354.

It is a happy number.

45315774 is a `hidden beast` number, since 4 + 531 + 57 + 74 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 100702 + ... + 101150.

It is an arithmetic number, because the mean of its divisors is an integer number (1470150).

Almost surely, 2^45315774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45315774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58806000).

45315774 is an abundant number, since it is smaller than the sum of its proper divisors (72296226).

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

45315774 is a wasteful number, since it uses less digits than its factorization.

45315774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559 (or 550 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 45315774 is about 6731.6991911404. The cubic root of 45315774 is about 356.5193729977.

The spelling of 45315774 in words is "forty-five million, three hundred fifteen thousand, seven hundred seventy-four".