33542144245 has 16 divisors (see below), whose sum is σ = 40413590640. Its totient is φ = 26725248000.

The previous prime is 33542144213. The next prime is 33542144341. The reversal of 33542144245 is 54244124533.

It can be written as a sum of positive squares in 8 ways, for example, as 7207670404 + 26334473841 = 84898^2 + 162279^2 .

It is not a de Polignac number, because 33542144245 - 2⁵ = 33542144213 is a prime.

It is a super-2 number, since 2×33542144245² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1312651 + ... + 1337959.

It is an arithmetic number, because the mean of its divisors is an integer number (2525849415).

Almost surely, 2^33542144245 is an apocalyptic number.

It is an amenable number.

33542144245 is a deficient number, since it is larger than the sum of its proper divisors (6871446395).

33542144245 is a wasteful number, since it uses less digits than its factorization.

33542144245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26376.

The product of its digits is 230400, while the sum is 37.

Adding to 33542144245 its reverse (54244124533), we get a palindrome (87786268778).

The spelling of 33542144245 in words is "thirty-three billion, five hundred forty-two million, one hundred forty-four thousand, two hundred forty-five".