245159040 has 512 divisors, whose sum is σ = 1004659200. Its totient is φ = 49545216.

The previous prime is 245159027. The next prime is 245159053. The reversal of 245159040 is 40951542.

It is an interprime number because it is at equal distance from previous prime (245159027) and next prime (245159053).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 245158989 and 245159007.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6625902 + ... + 6625938.

It is an arithmetic number, because the mean of its divisors is an integer number (1962225).

Almost surely, 2^245159040 is an apocalyptic number.

245159040 is a gapful number since it is divisible by the number (20) 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 245159040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (502329600).

245159040 is an abundant number, since it is smaller than the sum of its proper divisors (759500160).

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

245159040 is a wasteful number, since it uses less digits than its factorization.

245159040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 245159040 is about 15657.5553647432. Note that the first 3 decimals coincide. The cubic root of 245159040 is about 625.8678418697.

The spelling of 245159040 in words is "two hundred forty-five million, one hundred fifty-nine thousand, forty".