142540034 has 32 divisors (see below), whose sum is σ = 264665856. Its totient is φ = 56064960.

The previous prime is 142540031. The next prime is 142540043. The reversal of 142540034 is 430045241.

It is a super-2 number, since 2×142540034² = 40635322585442312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142539991 and 142540009.

It is not an unprimeable number, because it can be changed into a prime (142540031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30779 + ... + 35105.

It is an arithmetic number, because the mean of its divisors is an integer number (8270808).

Almost surely, 2^142540034 is an apocalyptic number.

142540034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

142540034 is a deficient number, since it is larger than the sum of its proper divisors (122125822).

142540034 is a wasteful number, since it uses less digits than its factorization.

142540034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4530.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 142540034 is about 11939.0131082933. The cubic root of 142540034 is about 522.3708726031.

Adding to 142540034 its reverse (430045241), we get a palindrome (572585275).

The spelling of 142540034 in words is "one hundred forty-two million, five hundred forty thousand, thirty-four".