45546290 has 16 divisors (see below), whose sum is σ = 83728512. Its totient is φ = 17830704.

The previous prime is 45546283. The next prime is 45546299. The reversal of 45546290 is 9264554.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 45546290.

It is not an unprimeable number, because it can be changed into a prime (45546299) 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, 47984 + ... + 48923.

It is an arithmetic number, because the mean of its divisors is an integer number (5233032).

Almost surely, 2^45546290 is an apocalyptic number.

45546290 is a deficient number, since it is larger than the sum of its proper divisors (38182222).

45546290 is a wasteful number, since it uses less digits than its factorization.

45546290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96961.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 45546290 is about 6748.7991524419. The cubic root of 45546290 is about 357.1228748439.

The spelling of 45546290 in words is "forty-five million, five hundred forty-six thousand, two hundred ninety".