245542944 has 48 divisors (see below), whose sum is σ = 649222560. Its totient is φ = 81254400.

The previous prime is 245542907. The next prime is 245542961. The reversal of 245542944 is 449245542.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4144 + ... + 22544.

It is an arithmetic number, because the mean of its divisors is an integer number (13525470).

Almost surely, 2^245542944 is an apocalyptic number.

245542944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245542944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324611280).

245542944 is an abundant number, since it is smaller than the sum of its proper divisors (403679616).

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

245542944 is a wasteful number, since it uses less digits than its factorization.

245542944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18553 (or 18545 counting only the distinct ones).

The product of its digits is 230400, while the sum is 39.

The square root of 245542944 is about 15669.8099541762. The cubic root of 245542944 is about 626.1943616930.

The spelling of 245542944 in words is "two hundred forty-five million, five hundred forty-two thousand, nine hundred forty-four".