45142660 has 24 divisors (see below), whose sum is σ = 94935960. Its totient is φ = 18031104.

The previous prime is 45142649. The next prime is 45142661. The reversal of 45142660 is 6624154.

It can be written as a sum of positive squares in 4 ways, for example, as 6230016 + 38912644 = 2496^2 + 6238^2 .

It is not an unprimeable number, because it can be changed into a prime (45142661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19062 + ... + 21298.

It is an arithmetic number, because the mean of its divisors is an integer number (3955665).

Almost surely, 2^45142660 is an apocalyptic number.

It is an amenable number.

45142660 is an abundant number, since it is smaller than the sum of its proper divisors (49793300).

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

45142660 is a wasteful number, since it uses less digits than its factorization.

45142660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3255 (or 3253 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 45142660 is about 6718.8287669801. The cubic root of 45142660 is about 356.0648053550.

The spelling of 45142660 in words is "forty-five million, one hundred forty-two thousand, six hundred sixty".