142959774 has 16 divisors (see below), whose sum is σ = 288008208. Its totient is φ = 47305152.

The previous prime is 142959767. The next prime is 142959779. The reversal of 142959774 is 477959241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142959779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86137 + ... + 87780.

It is an arithmetic number, because the mean of its divisors is an integer number (18000513).

Almost surely, 2^142959774 is an apocalyptic number.

142959774 is an abundant number, since it is smaller than the sum of its proper divisors (145048434).

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

142959774 is a wasteful number, since it uses less digits than its factorization.

142959774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174059.

The product of its digits is 635040, while the sum is 48.

The square root of 142959774 is about 11956.5786912478. The cubic root of 142959774 is about 522.8831148503.

The spelling of 142959774 in words is "one hundred forty-two million, nine hundred fifty-nine thousand, seven hundred seventy-four".