142432561474 has 32 divisors (see below), whose sum is σ = 251247338496. Its totient is φ = 59286574080.

The previous prime is 142432561459. The next prime is 142432561489. The reversal of 142432561474 is 474165234241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (142432561459) and next prime (142432561489).

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 142432561474.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428367 + ... + 684370.

It is an arithmetic number, because the mean of its divisors is an integer number (7851479328).

Almost surely, 2^142432561474 is an apocalyptic number.

142432561474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

142432561474 is a deficient number, since it is larger than the sum of its proper divisors (108814777022).

142432561474 is a wasteful number, since it uses less digits than its factorization.

142432561474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113010.

The product of its digits is 645120, while the sum is 43.

The spelling of 142432561474 in words is "one hundred forty-two billion, four hundred thirty-two million, five hundred sixty-one thousand, four hundred seventy-four".