245332747542 has 16 divisors (see below), whose sum is σ = 490702571712. Its totient is φ = 81771403080.

The previous prime is 245332747529. The next prime is 245332747559. The reversal of 245332747542 is 245747233542.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 245332747491 and 245332747500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1458468 + ... + 1617959.

It is an arithmetic number, because the mean of its divisors is an integer number (30668910732).

Almost surely, 2^245332747542 is an apocalyptic number.

245332747542 is an abundant number, since it is smaller than the sum of its proper divisors (245369824170).

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

245332747542 is a wasteful number, since it uses less digits than its factorization.

245332747542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3089723.

The product of its digits is 5644800, while the sum is 48.

The spelling of 245332747542 in words is "two hundred forty-five billion, three hundred thirty-two million, seven hundred forty-seven thousand, five hundred forty-two".