142496775 has 36 divisors (see below), whose sum is σ = 256711000. Its totient is φ = 75556800.

The previous prime is 142496773. The next prime is 142496791. The reversal of 142496775 is 577694241.

It is not a de Polignac number, because 142496775 - 2¹ = 142496773 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 142496775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142496773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 38976 + ... + 42474.

Almost surely, 2^142496775 is an apocalyptic number.

142496775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142496775 is a deficient number, since it is larger than the sum of its proper divisors (114214225).

142496775 is a wasteful number, since it uses less digits than its factorization.

142496775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3696 (or 3688 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 142496775 is about 11937.2013051636. The cubic root of 142496775 is about 522.3180230579.

The spelling of 142496775 in words is "one hundred forty-two million, four hundred ninety-six thousand, seven hundred seventy-five".