345015155 has 16 divisors (see below), whose sum is σ = 421018560. Its totient is φ = 271369728.

The previous prime is 345015133. The next prime is 345015163. The reversal of 345015155 is 551510543.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345015155 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129719 + ... + 132351.

It is an arithmetic number, because the mean of its divisors is an integer number (26313660).

Almost surely, 2^345015155 is an apocalyptic number.

345015155 is a deficient number, since it is larger than the sum of its proper divisors (76003405).

345015155 is a wasteful number, since it uses less digits than its factorization.

345015155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3070.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 345015155 is about 18574.5835754129. The cubic root of 345015155 is about 701.3681778412.

Adding to 345015155 its reverse (551510543), we get a palindrome (896525698).

The spelling of 345015155 in words is "three hundred forty-five million, fifteen thousand, one hundred fifty-five".