245615001420 has 48 divisors (see below), whose sum is σ = 728176242528. Its totient is φ = 61644549120.

The previous prime is 245615001227. The next prime is 245615001427. The reversal of 245615001420 is 24100516542.

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

It is not an unprimeable number, because it can be changed into a prime (245615001427) 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, 120398491 + ... + 120400530.

It is an arithmetic number, because the mean of its divisors is an integer number (15170338386).

Almost surely, 2^245615001420 is an apocalyptic number.

245615001420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245615001420 is an abundant number, since it is smaller than the sum of its proper divisors (482561241108).

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

245615001420 is a wasteful number, since it uses less digits than its factorization.

245615001420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240799050 (or 240799048 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 245615001420 its reverse (24100516542), we get a palindrome (269715517962).

The spelling of 245615001420 in words is "two hundred forty-five billion, six hundred fifteen million, one thousand, four hundred twenty".