1945525312 has 56 divisors (see below), whose sum is σ = 3923178336. Its totient is φ = 957109248.

The previous prime is 1945525261. The next prime is 1945525313. The reversal of 1945525312 is 2135255491.

It is a super-4 number, since 4×1945525312⁴ (a number of 38 digits) contains 4444 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1945525313) 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, 1630188 + ... + 1631380.

It is an arithmetic number, because the mean of its divisors is an integer number (70056756).

Almost surely, 2^1945525312 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 1945525312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1961589168).

1945525312 is an abundant number, since it is smaller than the sum of its proper divisors (1977653024).

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

1945525312 is a wasteful number, since it uses less digits than its factorization.

1945525312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595 (or 1585 counting only the distinct ones).

The product of its digits is 54000, while the sum is 37.

The square root of 1945525312 is about 44108.1093677795. The cubic root of 1945525312 is about 1248.3766258645.

The spelling of 1945525312 in words is "one billion, nine hundred forty-five million, five hundred twenty-five thousand, three hundred twelve".