245626542 has 24 divisors (see below), whose sum is σ = 608218416. Its totient is φ = 70178976.

The previous prime is 245626529. The next prime is 245626567.

245626542 is a `hidden beast` number, since 24 + 5 + 626 + 5 + 4 + 2 = 666.

245626542 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 245626497 and 245626506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 974583 + ... + 974834.

It is an arithmetic number, because the mean of its divisors is an integer number (25342434).

Almost surely, 2^245626542 is an apocalyptic number.

245626542 is an abundant number, since it is smaller than the sum of its proper divisors (362591874).

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

245626542 is a wasteful number, since it uses less digits than its factorization.

245626542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949432 (or 1949429 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 245626542 is about 15672.4772132551. The cubic root of 245626542 is about 626.2654187223.

The spelling of 245626542 in words is "two hundred forty-five million, six hundred twenty-six thousand, five hundred forty-two".