64542114 has 108 divisors (see below), whose sum is σ = 176555106. Its totient is φ = 16982784.

The previous prime is 64542113. The next prime is 64542133. The reversal of 64542114 is 41124546.

64542114 = T₃₁₅ + T₃₁₆ + ... + T₇₄₇.

64542114 is a `hidden beast` number, since 6 + 4 + 542 + 114 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 18533025 + 46009089 = 4305^2 + 6783^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64542113) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 148842 + ... + 149274.

Almost surely, 2^64542114 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64542114, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88277553).

64542114 is an abundant number, since it is smaller than the sum of its proper divisors (112012992).

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

64542114 is a wasteful number, since it uses less digits than its factorization.

64542114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 458 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 64542114 is about 8033.8106773809. The cubic root of 64542114 is about 401.1262302044.

The spelling of 64542114 in words is "sixty-four million, five hundred forty-two thousand, one hundred fourteen".