45969540 has 48 divisors (see below), whose sum is σ = 132199872. Its totient is φ = 11926656.

The previous prime is 45969529. The next prime is 45969541. The reversal of 45969540 is 4596954.

It is a happy number.

It is a super-2 number, since 2×45969540² = 4226397215623200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45969492 and 45969501.

It is not an unprimeable number, because it can be changed into a prime (45969541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8134 + ... + 12573.

It is an arithmetic number, because the mean of its divisors is an integer number (2754164).

Almost surely, 2^45969540 is an apocalyptic number.

It is an amenable number.

45969540 is an abundant number, since it is smaller than the sum of its proper divisors (86230332).

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

45969540 is a wasteful number, since it uses less digits than its factorization.

45969540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20756 (or 20754 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 45969540 is about 6780.0840702752. The cubic root of 45969540 is about 358.2256829445.

The spelling of 45969540 in words is "forty-five million, nine hundred sixty-nine thousand, five hundred forty".