245134428 has 96 divisors (see below), whose sum is σ = 750704640. Its totient is φ = 60315840.

The previous prime is 245134427. The next prime is 245134433. The reversal of 245134428 is 824431542.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245134427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10575 + ... + 24537.

It is an arithmetic number, because the mean of its divisors is an integer number (7819840).

Almost surely, 2^245134428 is an apocalyptic number.

245134428 is a gapful number since it is divisible by the number (28) 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 245134428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375352320).

245134428 is an abundant number, since it is smaller than the sum of its proper divisors (505570212).

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

245134428 is a wasteful number, since it uses less digits than its factorization.

245134428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14007 (or 14005 counting only the distinct ones).

The product of its digits is 30720, while the sum is 33.

The square root of 245134428 is about 15656.7693985701. The cubic root of 245134428 is about 625.8468971327.

The spelling of 245134428 in words is "two hundred forty-five million, one hundred thirty-four thousand, four hundred twenty-eight".