245442153546 has 48 divisors (see below), whose sum is σ = 563184450504. Its totient is φ = 76986243072.

The previous prime is 245442153533. The next prime is 245442153569. The reversal of 245442153546 is 645351244542.

It is a happy number.

245442153546 is a `hidden beast` number, since 2 + 4 + 5 + 442 + 153 + 54 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 243853254225 + 1588899321 = 493815^2 + 39861^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1524660 + ... + 1677936.

Almost surely, 2^245442153546 is an apocalyptic number.

245442153546 is an abundant number, since it is smaller than the sum of its proper divisors (317742296958).

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

245442153546 is a wasteful number, since it uses less digits than its factorization.

245442153546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158535 (or 158532 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 45.

The spelling of 245442153546 in words is "two hundred forty-five billion, four hundred forty-two million, one hundred fifty-three thousand, five hundred forty-six".