1545113442 has 32 divisors (see below), whose sum is σ = 3313440000. Its totient is φ = 478603008.

The previous prime is 1545113441. The next prime is 1545113443. The reversal of 1545113442 is 2443115451.

It is an interprime number because it is at equal distance from previous prime (1545113441) and next prime (1545113443).

It is not an unprimeable number, because it can be changed into a prime (1545113441) 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, 87817 + ... + 103932.

It is an arithmetic number, because the mean of its divisors is an integer number (103545000).

Almost surely, 2^1545113442 is an apocalyptic number.

1545113442 is an abundant number, since it is smaller than the sum of its proper divisors (1768326558).

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

1545113442 is a wasteful number, since it uses less digits than its factorization.

1545113442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191850.

The product of its digits is 9600, while the sum is 30.

The square root of 1545113442 is about 39307.9310317905. The cubic root of 1545113442 is about 1156.0770777699.

Adding to 1545113442 its reverse (2443115451), we get a palindrome (3988228893).

The spelling of 1545113442 in words is "one billion, five hundred forty-five million, one hundred thirteen thousand, four hundred forty-two".