45909546 has 8 divisors (see below), whose sum is σ = 91819104. Its totient is φ = 15303180.

The previous prime is 45909517. The next prime is 45909547. The reversal of 45909546 is 64590954.

It is a happy number.

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

45909546 is an admirable number.

It is a super-2 number, since 2×45909546² = 4215372827852232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45909498 and 45909507.

It is not an unprimeable number, because it can be changed into a prime (45909547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3825790 + ... + 3825801.

It is an arithmetic number, because the mean of its divisors is an integer number (11477388).

Almost surely, 2^45909546 is an apocalyptic number.

45909546 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

45909546 is a wasteful number, since it uses less digits than its factorization.

45909546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7651596.

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

The square root of 45909546 is about 6775.6583443972. The cubic root of 45909546 is about 358.0697771878.

The spelling of 45909546 in words is "forty-five million, nine hundred nine thousand, five hundred forty-six".