45969145 has 8 divisors (see below), whose sum is σ = 55283904. Its totient is φ = 36694704.

The previous prime is 45969137. The next prime is 45969181. The reversal of 45969145 is 54196954.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45969145 - 2³ = 45969137 is a prime.

It is a super-2 number, since 2×45969145² = 4226324584062050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7509 + ... + 12178.

It is an arithmetic number, because the mean of its divisors is an integer number (6910488).

Almost surely, 2^45969145 is an apocalyptic number.

It is an amenable number.

45969145 is a deficient number, since it is larger than the sum of its proper divisors (9314759).

45969145 is a wasteful number, since it uses less digits than its factorization.

45969145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20159.

The product of its digits is 194400, while the sum is 43.

The square root of 45969145 is about 6780.0549407803. The cubic root of 45969145 is about 358.2246569060.

The spelling of 45969145 in words is "forty-five million, nine hundred sixty-nine thousand, one hundred forty-five".