45951020 has 24 divisors (see below), whose sum is σ = 96658800. Its totient is φ = 18349632.

The previous prime is 45951011. The next prime is 45951023. The reversal of 45951020 is 2015954.

It is a super-2 number, since 2×45951020² = 4222992478080800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45951023) 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, 13226 + ... + 16334.

It is an arithmetic number, because the mean of its divisors is an integer number (4027450).

Almost surely, 2^45951020 is an apocalyptic number.

It is an amenable number.

45951020 is an abundant number, since it is smaller than the sum of its proper divisors (50707780).

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

45951020 is a wasteful number, since it uses less digits than its factorization.

45951020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3857 (or 3855 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 45951020 is about 6778.7181679135. The cubic root of 45951020 is about 358.1775697026.

Adding to 45951020 its reverse (2015954), we get a palindrome (47966974).

The spelling of 45951020 in words is "forty-five million, nine hundred fifty-one thousand, twenty".