172142035 has 16 divisors (see below), whose sum is σ = 222755904. Its totient is φ = 126951552.

The previous prime is 172141993. The next prime is 172142081. The reversal of 172142035 is 530241271.

It is a happy number.

172142035 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 172142035 - 2⁹ = 172141523 is a prime.

It is a Duffinian number.

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, 69834 + ... + 72256.

It is an arithmetic number, because the mean of its divisors is an integer number (13922244).

Almost surely, 2^172142035 is an apocalyptic number.

172142035 is a deficient number, since it is larger than the sum of its proper divisors (50613869).

172142035 is a wasteful number, since it uses less digits than its factorization.

172142035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3534.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 172142035 is about 13120.2909647614. The cubic root of 172142035 is about 556.2828157217.

The spelling of 172142035 in words is "one hundred seventy-two million, one hundred forty-two thousand, thirty-five".