45151020 has 120 divisors (see below), whose sum is σ = 144897984. Its totient is φ = 11764224.

The previous prime is 45151013. The next prime is 45151027. The reversal of 45151020 is 2015154.

45151020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (45151013) and next prime (45151027).

It is a super-2 number, since 2×45151020² = 4077229214080800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 45150984 and 45151002.

It is not an unprimeable number, because it can be changed into a prime (45151027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 75844 + ... + 76436.

Almost surely, 2^45151020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45151020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72448992).

45151020 is an abundant number, since it is smaller than the sum of its proper divisors (99746964).

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

45151020 is a wasteful number, since it uses less digits than its factorization.

45151020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 45151020 is about 6719.4508704209. The cubic root of 45151020 is about 356.0867839597.

Adding to 45151020 its reverse (2015154), we get a palindrome (47166174).

The spelling of 45151020 in words is "forty-five million, one hundred fifty-one thousand, twenty".