142606740 has 48 divisors (see below), whose sum is σ = 399833280. Its totient is φ = 37977600.

The previous prime is 142606691. The next prime is 142606757. The reversal of 142606740 is 47606241.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 142606698 and 142606707.

It is a congruent number.

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, 71071 + ... + 73049.

It is an arithmetic number, because the mean of its divisors is an integer number (8329860).

Almost surely, 2^142606740 is an apocalyptic number.

142606740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142606740 is an abundant number, since it is smaller than the sum of its proper divisors (257226540).

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

142606740 is a wasteful number, since it uses less digits than its factorization.

142606740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3192 (or 3190 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 142606740 is about 11941.8063960190. The cubic root of 142606740 is about 522.4523464091.

The spelling of 142606740 in words is "one hundred forty-two million, six hundred six thousand, seven hundred forty".