33245012142 has 32 divisors (see below), whose sum is σ = 73949446560. Its totient is φ = 11070924480.

The previous prime is 33245012081. The next prime is 33245012147. The reversal of 33245012142 is 24121054233.

It is a super-2 number, since 2×33245012142² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33245012147) 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, 242209 + ... + 353772.

It is an arithmetic number, because the mean of its divisors is an integer number (2310920205).

Almost surely, 2^33245012142 is an apocalyptic number.

33245012142 is an abundant number, since it is smaller than the sum of its proper divisors (40704434418).

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

33245012142 is a wasteful number, since it uses less digits than its factorization.

33245012142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597025 (or 597019 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 33245012142 its reverse (24121054233), we get a palindrome (57366066375).

The spelling of 33245012142 in words is "thirty-three billion, two hundred forty-five million, twelve thousand, one hundred forty-two".