142150404431 has 4 divisors (see below), whose sum is σ = 162457605072. Its totient is φ = 121843203792.

The previous prime is 142150404419. The next prime is 142150404469. The reversal of 142150404431 is 134404051241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142150404431 - 2⁶ = 142150404367 is a prime.

It is a super-2 number, since 2×142150404431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142150404394 and 142150404403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142150404481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10153600310 + ... + 10153600323.

It is an arithmetic number, because the mean of its divisors is an integer number (40614401268).

Almost surely, 2^142150404431 is an apocalyptic number.

142150404431 is a deficient number, since it is larger than the sum of its proper divisors (20307200641).

142150404431 is an equidigital number, since it uses as much as digits as its factorization.

142150404431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20307200640.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 142150404431 its reverse (134404051241), we get a palindrome (276554455672).

The spelling of 142150404431 in words is "one hundred forty-two billion, one hundred fifty million, four hundred four thousand, four hundred thirty-one".