142737474 has 32 divisors (see below), whose sum is σ = 329749056. Its totient is φ = 40709120.

The previous prime is 142737451. The next prime is 142737479. The reversal of 142737474 is 474737241.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (142737479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62487 + ... + 64730.

It is an arithmetic number, because the mean of its divisors is an integer number (10304658).

Almost surely, 2^142737474 is an apocalyptic number.

142737474 is an abundant number, since it is smaller than the sum of its proper divisors (187011582).

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

142737474 is a wasteful number, since it uses less digits than its factorization.

142737474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127250.

The product of its digits is 131712, while the sum is 39.

The square root of 142737474 is about 11947.2789370635. The cubic root of 142737474 is about 522.6119494866.

The spelling of 142737474 in words is "one hundred forty-two million, seven hundred thirty-seven thousand, four hundred seventy-four".