142013430 has 48 divisors (see below), whose sum is σ = 397640880. Its totient is φ = 34956864.

The previous prime is 142013423. The next prime is 142013479. The reversal of 142013430 is 34310241.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59520 + ... + 61859.

It is an arithmetic number, because the mean of its divisors is an integer number (8284185).

Almost surely, 2^142013430 is an apocalyptic number.

142013430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142013430 is an abundant number, since it is smaller than the sum of its proper divisors (255627450).

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

142013430 is a wasteful number, since it uses less digits than its factorization.

142013430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121405 (or 121402 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 142013430 is about 11916.9387847719. The cubic root of 142013430 is about 521.7267914564.

Adding to 142013430 its reverse (34310241), we get a palindrome (176323671).

The spelling of 142013430 in words is "one hundred forty-two million, thirteen thousand, four hundred thirty".