142536431453 has 24 divisors (see below), whose sum is σ = 155230606440. Its totient is φ = 130818155520.

The previous prime is 142536431441. The next prime is 142536431503. The reversal of 142536431453 is 354134635241.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 133332331609 + 9204099844 = 365147^2 + 95938^2 .

It is not a de Polignac number, because 142536431453 - 2¹⁴ = 142536415069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142536431453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142536431413) 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, 32326313 + ... + 32330721.

It is an arithmetic number, because the mean of its divisors is an integer number (6467941935).

Almost surely, 2^142536431453 is an apocalyptic number.

142536431453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

142536431453 is a deficient number, since it is larger than the sum of its proper divisors (12694174987).

142536431453 is a wasteful number, since it uses less digits than its factorization.

142536431453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5489 (or 5476 counting only the distinct ones).

The product of its digits is 518400, while the sum is 41.

The spelling of 142536431453 in words is "one hundred forty-two billion, five hundred thirty-six million, four hundred thirty-one thousand, four hundred fifty-three".