945131516 has 48 divisors (see below), whose sum is σ = 1995302400. Its totient is φ = 382667328.

The previous prime is 945131513. The next prime is 945131519. The reversal of 945131516 is 615131549.

It is an interprime number because it is at equal distance from previous prime (945131513) and next prime (945131519).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945131513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204665 + ... + 209231.

It is an arithmetic number, because the mean of its divisors is an integer number (41568800).

Almost surely, 2^945131516 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 945131516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (997651200).

945131516 is an abundant number, since it is smaller than the sum of its proper divisors (1050170884).

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

945131516 is a wasteful number, since it uses less digits than its factorization.

945131516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4986 (or 4984 counting only the distinct ones).

The product of its digits is 16200, while the sum is 35.

The square root of 945131516 is about 30742.9913313588. The cubic root of 945131516 is about 981.3654144959.

The spelling of 945131516 in words is "nine hundred forty-five million, one hundred thirty-one thousand, five hundred sixteen".