42529156 has 6 divisors (see below), whose sum is σ = 74426030. Its totient is φ = 21264576.

The previous prime is 42529141. The next prime is 42529187. The reversal of 42529156 is 65192524.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 41990400 + 538756 = 6480^2 + 734^2 .

It is a super-2 number, since 2×42529156² = 3617458220144672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5316141 + ... + 5316148.

Almost surely, 2^42529156 is an apocalyptic number.

It is an amenable number.

42529156 is a deficient number, since it is larger than the sum of its proper divisors (31896874).

42529156 is a wasteful number, since it uses less digits than its factorization.

42529156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10632293 (or 10632291 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The square root of 42529156 is about 6521.4381849405. The cubic root of 42529156 is about 349.0563861572.

The spelling of 42529156 in words is "forty-two million, five hundred twenty-nine thousand, one hundred fifty-six".