142349574 has 16 divisors (see below), whose sum is σ = 294516720. Its totient is φ = 45813600.

The previous prime is 142349569. The next prime is 142349579. The reversal of 142349574 is 475943241.

It is an interprime number because it is at equal distance from previous prime (142349569) and next prime (142349579).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142349579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408877 + ... + 409224.

It is an arithmetic number, because the mean of its divisors is an integer number (18407295).

Almost surely, 2^142349574 is an apocalyptic number.

142349574 is an abundant number, since it is smaller than the sum of its proper divisors (152167146).

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

142349574 is a wasteful number, since it uses less digits than its factorization.

142349574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818135.

The product of its digits is 120960, while the sum is 39.

The square root of 142349574 is about 11931.0340708591. The cubic root of 142349574 is about 522.1381073483.

The spelling of 142349574 in words is "one hundred forty-two million, three hundred forty-nine thousand, five hundred seventy-four".