142345401 has 32 divisors (see below), whose sum is σ = 215691648. Its totient is φ = 82736640.

The previous prime is 142345393. The next prime is 142345447. The reversal of 142345401 is 104543241.

It is not a de Polignac number, because 142345401 - 2³ = 142345393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142345451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88335 + ... + 89931.

It is an arithmetic number, because the mean of its divisors is an integer number (6740364).

Almost surely, 2^142345401 is an apocalyptic number.

142345401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

142345401 is a deficient number, since it is larger than the sum of its proper divisors (73346247).

142345401 is a wasteful number, since it uses less digits than its factorization.

142345401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 142345401 is about 11930.8591895136. The cubic root of 142345401 is about 522.1330051117.

Adding to 142345401 its reverse (104543241), we get a palindrome (246888642).

It can be divided in two parts, 142 and 345401, that added together give a palindrome (345543).

The spelling of 142345401 in words is "one hundred forty-two million, three hundred forty-five thousand, four hundred one".