142032534 has 16 divisors (see below), whose sum is σ = 324645888. Its totient is φ = 40580712.

The previous prime is 142032511. The next prime is 142032557. The reversal of 142032534 is 435230241.

It is an interprime number because it is at equal distance from previous prime (142032511) and next prime (142032557).

It is a super-2 number, since 2×142032534² = 40346481428922312, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1690822 + ... + 1690905.

It is an arithmetic number, because the mean of its divisors is an integer number (20290368).

Almost surely, 2^142032534 is an apocalyptic number.

142032534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

142032534 is an abundant number, since it is smaller than the sum of its proper divisors (182613354).

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

142032534 is a wasteful number, since it uses less digits than its factorization.

142032534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3381739.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 142032534 is about 11917.7403059473. The cubic root of 142032534 is about 521.7501850695.

Adding to 142032534 its reverse (435230241), we get a palindrome (577262775).

The spelling of 142032534 in words is "one hundred forty-two million, thirty-two thousand, five hundred thirty-four".