142551834 has 64 divisors (see below), whose sum is σ = 313528320. Its totient is φ = 43028480.

The previous prime is 142551833. The next prime is 142551853. The reversal of 142551834 is 438155241.

It is a junction number, because it is equal to n+sod(n) for n = 142551795 and 142551804.

It is not an unprimeable number, because it can be changed into a prime (142551833) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 372007 + ... + 372389.

It is an arithmetic number, because the mean of its divisors is an integer number (4898880).

Almost surely, 2^142551834 is an apocalyptic number.

142551834 is an abundant number, since it is smaller than the sum of its proper divisors (170976486).

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

142551834 is a wasteful number, since it uses less digits than its factorization.

142551834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535.

The product of its digits is 19200, while the sum is 33.

The square root of 142551834 is about 11939.5072762656. The cubic root of 142551834 is about 522.3852868138.

The spelling of 142551834 in words is "one hundred forty-two million, five hundred fifty-one thousand, eight hundred thirty-four".