45317340 has 48 divisors (see below), whose sum is σ = 140988960. Its totient is φ = 12084480.

The previous prime is 45317339. The next prime is 45317351. The reversal of 45317340 is 4371354.

45317340 is a `hidden beast` number, since 4 + 5 + 317 + 340 = 666.

It is a super-2 number, since 2×45317340² = 4107322609351200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41421 + ... + 42500.

It is an arithmetic number, because the mean of its divisors is an integer number (2937270).

Almost surely, 2^45317340 is an apocalyptic number.

It is an amenable number.

45317340 is an abundant number, since it is smaller than the sum of its proper divisors (95671620).

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

45317340 is a wasteful number, since it uses less digits than its factorization.

45317340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83939 (or 83931 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 45317340 is about 6731.8155054933. The cubic root of 45317340 is about 356.5234797568.

Adding to 45317340 its reverse (4371354), we get a palindrome (49688694).

The spelling of 45317340 in words is "forty-five million, three hundred seventeen thousand, three hundred forty".