45821516 has 24 divisors (see below), whose sum is σ = 87546144. Its totient is φ = 20856960.

The previous prime is 45821509. The next prime is 45821551. The reversal of 45821516 is 61512854.

It is a super-2 number, since 2×45821516² = 4199222657076512, which contains 22 as substring.

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, 2240 + ... + 9831.

It is an arithmetic number, because the mean of its divisors is an integer number (3647756).

Almost surely, 2^45821516 is an apocalyptic number.

It is an amenable number.

45821516 is a deficient number, since it is larger than the sum of its proper divisors (41724628).

45821516 is a wasteful number, since it uses less digits than its factorization.

45821516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12161 (or 12159 counting only the distinct ones).

The product of its digits is 9600, while the sum is 32.

The square root of 45821516 is about 6769.1591796914. The cubic root of 45821516 is about 357.8407685287.

The spelling of 45821516 in words is "forty-five million, eight hundred twenty-one thousand, five hundred sixteen".