245798897542 has 32 divisors (see below), whose sum is σ = 413547337728. Its totient is φ = 108599400000.

The previous prime is 245798897453. The next prime is 245798897677.

It is a happy number.

245798897542 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×245798897542² (a number of 24 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, 258334 + ... + 747217.

It is an arithmetic number, because the mean of its divisors is an integer number (12923354304).

Almost surely, 2^245798897542 is an apocalyptic number.

245798897542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

245798897542 is a deficient number, since it is larger than the sum of its proper divisors (167748440186).

245798897542 is a wasteful number, since it uses less digits than its factorization.

245798897542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005876.

The product of its digits is 406425600, while the sum is 70.

The spelling of 245798897542 in words is "two hundred forty-five billion, seven hundred ninety-eight million, eight hundred ninety-seven thousand, five hundred forty-two".