142073530 has 48 divisors (see below), whose sum is σ = 270908064. Its totient is φ = 53636000.

The previous prime is 142073513. The next prime is 142073537. The reversal of 142073530 is 35370241.

It is a junction number, because it is equal to n+sod(n) for n = 142073495 and 142073504.

It is not an unprimeable number, because it can be changed into a prime (142073537) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 565905 + ... + 566155.

It is an arithmetic number, because the mean of its divisors is an integer number (5643918).

Almost surely, 2^142073530 is an apocalyptic number.

142073530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142073530 is a deficient number, since it is larger than the sum of its proper divisors (128834534).

142073530 is a wasteful number, since it uses less digits than its factorization.

142073530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 142073530 is about 11919.4601387815. The cubic root of 142073530 is about 521.8003792336.

The spelling of 142073530 in words is "one hundred forty-two million, seventy-three thousand, five hundred thirty".