245611142 has 16 divisors (see below), whose sum is σ = 424366080. Its totient is φ = 104432328.

The previous prime is 245611139. The next prime is 245611147. The reversal of 245611142 is 241116542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245611147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67292 + ... + 70847.

It is an arithmetic number, because the mean of its divisors is an integer number (26522880).

Almost surely, 2^245611142 is an apocalyptic number.

245611142 is a deficient number, since it is larger than the sum of its proper divisors (178754938).

245611142 is a wasteful number, since it uses less digits than its factorization.

245611142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138275.

The product of its digits is 1920, while the sum is 26.

The square root of 245611142 is about 15671.9858984112. The cubic root of 245611142 is about 626.2523301680.

Adding to 245611142 its reverse (241116542), we get a palindrome (486727684).

The spelling of 245611142 in words is "two hundred forty-five million, six hundred eleven thousand, one hundred forty-two".