245783387542 has 32 divisors (see below), whose sum is σ = 486684910080. Its totient is φ = 90126833280.

The previous prime is 245783387527. The next prime is 245783387561.

245783387542 is nontrivially palindromic in base 10.

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, 46938442 + ... + 46943677.

It is an arithmetic number, because the mean of its divisors is an integer number (15208903440).

Almost surely, 2^245783387542 is an apocalyptic number.

245783387542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

245783387542 is a deficient number, since it is larger than the sum of its proper divisors (240901522538).

245783387542 is a wasteful number, since it uses less digits than its factorization.

245783387542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93882156.

The product of its digits is 45158400, while the sum is 58.

The spelling of 245783387542 in words is "two hundred forty-five billion, seven hundred eighty-three million, three hundred eighty-seven thousand, five hundred forty-two".