45945789 has 32 divisors (see below), whose sum is σ = 66528000. Its totient is φ = 28131840.

The previous prime is 45945787. The next prime is 45945793. The reversal of 45945789 is 98754954.

It is not a de Polignac number, because 45945789 - 2¹ = 45945787 is a prime.

It is a super-2 number, since 2×45945789² = 4222031053665042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45945787) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 308287 + ... + 308435.

It is an arithmetic number, because the mean of its divisors is an integer number (2079000).

Almost surely, 2^45945789 is an apocalyptic number.

It is an amenable number.

45945789 is a deficient number, since it is larger than the sum of its proper divisors (20582211).

45945789 is a wasteful number, since it uses less digits than its factorization.

45945789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325.

The product of its digits is 1814400, while the sum is 51.

The square root of 45945789 is about 6778.3323170231. The cubic root of 45945789 is about 358.1639777086.

The spelling of 45945789 in words is "forty-five million, nine hundred forty-five thousand, seven hundred eighty-nine".