3145542320 has 40 divisors (see below), whose sum is σ = 7333381824. Its totient is φ = 1254776832.

The previous prime is 3145542313. The next prime is 3145542329. The reversal of 3145542320 is 232455413.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (3145542329) 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, 24209 + ... + 82928.

Almost surely, 2^3145542320 is an apocalyptic number.

It is an amenable number.

3145542320 is an abundant number, since it is smaller than the sum of its proper divisors (4187839504).

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

3145542320 is a wasteful number, since it uses less digits than its factorization.

3145542320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107517 (or 107511 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 3145542320 is about 56085.1345723624. The cubic root of 3145542320 is about 1465.2054008889.

Adding to 3145542320 its reverse (232455413), we get a palindrome (3377997733).

The spelling of 3145542320 in words is "three billion, one hundred forty-five million, five hundred forty-two thousand, three hundred twenty".