245156020 has 48 divisors (see below), whose sum is σ = 523309248. Its totient is φ = 96462080.

The previous prime is 245156017. The next prime is 245156027. The reversal of 245156020 is 20651542.

245156020 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 (245156027) 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, 358599 + ... + 359281.

It is an arithmetic number, because the mean of its divisors is an integer number (10902276).

Almost surely, 2^245156020 is an apocalyptic number.

245156020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245156020 is an abundant number, since it is smaller than the sum of its proper divisors (278153228).

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

245156020 is a wasteful number, since it uses less digits than its factorization.

245156020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 245156020 is about 15657.4589253812. The cubic root of 245156020 is about 625.8652719344.

The spelling of 245156020 in words is "two hundred forty-five million, one hundred fifty-six thousand, twenty".