245428415 has 8 divisors (see below), whose sum is σ = 310014960. Its totient is φ = 186008832.

The previous prime is 245428411. The next prime is 245428459. The reversal of 245428415 is 514824542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245428415 - 2² = 245428411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245428411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1291634 + ... + 1291823.

It is an arithmetic number, because the mean of its divisors is an integer number (38751870).

Almost surely, 2^245428415 is an apocalyptic number.

245428415 is a deficient number, since it is larger than the sum of its proper divisors (64586545).

245428415 is a wasteful number, since it uses less digits than its factorization.

245428415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583481.

The product of its digits is 51200, while the sum is 35.

The square root of 245428415 is about 15666.1550802997. The cubic root of 245428415 is about 626.0969875960.

The spelling of 245428415 in words is "two hundred forty-five million, four hundred twenty-eight thousand, four hundred fifteen".