45341640 has 64 divisors (see below), whose sum is σ = 151142400. Its totient is φ = 12090816.

The previous prime is 45341633. The next prime is 45341689. The reversal of 45341640 is 4614354.

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

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, 19912 + ... + 22071.

It is an arithmetic number, because the mean of its divisors is an integer number (2361600).

Almost surely, 2^45341640 is an apocalyptic number.

45341640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45341640 is an abundant number, since it is smaller than the sum of its proper divisors (105800760).

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

45341640 is a wasteful number, since it uses less digits than its factorization.

45341640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42003 (or 41993 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 45341640 is about 6733.6201259055. The cubic root of 45341640 is about 356.5871932089.

Adding to 45341640 its reverse (4614354), we get a palindrome (49955994).

The spelling of 45341640 in words is "forty-five million, three hundred forty-one thousand, six hundred forty".