45621016 has 32 divisors (see below), whose sum is σ = 98000640. Its totient is φ = 19503648.

The previous prime is 45621011. The next prime is 45621019. The reversal of 45621016 is 61012654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45621011) 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, 30805 + ... + 32251.

It is an arithmetic number, because the mean of its divisors is an integer number (3062520).

Almost surely, 2^45621016 is an apocalyptic number.

It is an amenable number.

45621016 is an abundant number, since it is smaller than the sum of its proper divisors (52379624).

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

45621016 is a wasteful number, since it uses less digits than its factorization.

45621016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023 (or 2019 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 45621016 is about 6754.3331277040. Note that the first 3 decimals coincide. The cubic root of 45621016 is about 357.3180739319.

The spelling of 45621016 in words is "forty-five million, six hundred twenty-one thousand, sixteen".