245352155 has 16 divisors (see below), whose sum is σ = 307644480. Its totient is φ = 187490688.

The previous prime is 245352139. The next prime is 245352157. The reversal of 245352155 is 551253542.

It is a cyclic number.

It is not a de Polignac number, because 245352155 - 2⁴ = 245352139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245352157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163589 + ... + 165081.

It is an arithmetic number, because the mean of its divisors is an integer number (19227780).

Almost surely, 2^245352155 is an apocalyptic number.

245352155 is a deficient number, since it is larger than the sum of its proper divisors (62292325).

245352155 is a wasteful number, since it uses less digits than its factorization.

245352155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2950.

The product of its digits is 30000, while the sum is 32.

The square root of 245352155 is about 15663.7209819378. The cubic root of 245352155 is about 626.0321335157.

The spelling of 245352155 in words is "two hundred forty-five million, three hundred fifty-two thousand, one hundred fifty-five".