142673450 has 24 divisors (see below), whose sum is σ = 265988928. Its totient is φ = 56936880.

The previous prime is 142673429. The next prime is 142673459. The reversal of 142673450 is 54376241.

It is not an unprimeable number, because it can be changed into a prime (142673459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20069 + ... + 26231.

It is an arithmetic number, because the mean of its divisors is an integer number (11082872).

Almost surely, 2^142673450 is an apocalyptic number.

142673450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142673450 is a deficient number, since it is larger than the sum of its proper divisors (123315478).

142673450 is a wasteful number, since it uses less digits than its factorization.

142673450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6638 (or 6633 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 142673450 is about 11944.5991979639. The cubic root of 142673450 is about 522.5337996953.

The spelling of 142673450 in words is "one hundred forty-two million, six hundred seventy-three thousand, four hundred fifty".