245371377746 has 24 divisors (see below), whose sum is σ = 415492625100. Its totient is φ = 108518050080.

The previous prime is 245371377743. The next prime is 245371377767. The reversal of 245371377746 is 647773173542.

It can be written as a sum of positive squares in 2 ways, for example, as 244317661225 + 1053716521 = 494285^2 + 32461^2 .

It is a super-2 number, since 2×245371377746² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245371377691 and 245371377700.

It is not an unprimeable number, because it can be changed into a prime (245371377743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13692821 + ... + 13710728.

Almost surely, 2^245371377746 is an apocalyptic number.

245371377746 is a deficient number, since it is larger than the sum of its proper divisors (170121247354).

245371377746 is a wasteful number, since it uses less digits than its factorization.

245371377746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27403610 (or 27403599 counting only the distinct ones).

The product of its digits is 20744640, while the sum is 56.

The spelling of 245371377746 in words is "two hundred forty-five billion, three hundred seventy-one million, three hundred seventy-seven thousand, seven hundred forty-six".