245444534 has 4 divisors (see below), whose sum is σ = 368166804. Its totient is φ = 122722266.

The previous prime is 245444533. The next prime is 245444539. The reversal of 245444534 is 435444542.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 245444494 and 245444503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245444531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61361132 + ... + 61361135.

It is an arithmetic number, because the mean of its divisors is an integer number (92041701).

Almost surely, 2^245444534 is an apocalyptic number.

245444534 is a deficient number, since it is larger than the sum of its proper divisors (122722270).

245444534 is a wasteful number, since it uses less digits than its factorization.

245444534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122722269.

The product of its digits is 153600, while the sum is 35.

The square root of 245444534 is about 15666.6695248224. The cubic root of 245444534 is about 626.1106940182.

The spelling of 245444534 in words is "two hundred forty-five million, four hundred forty-four thousand, five hundred thirty-four".