64142235 has 24 divisors (see below), whose sum is σ = 111458880. Its totient is φ = 34123392.

The previous prime is 64142209. The next prime is 64142251. The reversal of 64142235 is 53224146.

It is not a de Polignac number, because 64142235 - 2⁵ = 64142203 is a prime.

It is a super-2 number, since 2×64142235² = 8228452621590450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64142199 and 64142208.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 19006 + ... + 22124.

It is an arithmetic number, because the mean of its divisors is an integer number (4644120).

Almost surely, 2^64142235 is an apocalyptic number.

64142235 is a deficient number, since it is larger than the sum of its proper divisors (47316645).

64142235 is a wasteful number, since it uses less digits than its factorization.

64142235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3587 (or 3584 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 64142235 is about 8008.8847538218. The cubic root of 64142235 is about 400.2961036691.

It can be divided in two parts, 6414 and 2235, that added together give a square (8649 = 93²).

The spelling of 64142235 in words is "sixty-four million, one hundred forty-two thousand, two hundred thirty-five".