245564142 has 32 divisors (see below), whose sum is σ = 507057408. Its totient is φ = 79234176.

The previous prime is 245564131. The next prime is 245564147. The reversal of 245564142 is 241465542.

245564142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245564147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24943 + ... + 33365.

It is an arithmetic number, because the mean of its divisors is an integer number (15845544).

Almost surely, 2^245564142 is an apocalyptic number.

245564142 is an abundant number, since it is smaller than the sum of its proper divisors (261493266).

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

245564142 is a wasteful number, since it uses less digits than its factorization.

245564142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8584.

The product of its digits is 38400, while the sum is 33.

The square root of 245564142 is about 15670.4863357842. The cubic root of 245564142 is about 626.2123811969.

The spelling of 245564142 in words is "two hundred forty-five million, five hundred sixty-four thousand, one hundred forty-two".