69042156 has 24 divisors (see below), whose sum is σ = 166654320. Its totient is φ = 22220352.

The previous prime is 69042137. The next prime is 69042157. The reversal of 69042156 is 65124096.

It is not an unprimeable number, because it can be changed into a prime (69042157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98851 + ... + 99546.

It is an arithmetic number, because the mean of its divisors is an integer number (6943930).

Almost surely, 2^69042156 is an apocalyptic number.

It is an amenable number.

69042156 is an abundant number, since it is smaller than the sum of its proper divisors (97612164).

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

69042156 is a wasteful number, since it uses less digits than its factorization.

69042156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198433 (or 198431 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 69042156 is about 8309.1609684733. The cubic root of 69042156 is about 410.2401052469.

The spelling of 69042156 in words is "sixty-nine million, forty-two thousand, one hundred fifty-six".