142687629 has 32 divisors (see below), whose sum is σ = 246743040. Its totient is φ = 79796016.

The previous prime is 142687543. The next prime is 142687661. The reversal of 142687629 is 926786241.

It is a happy number.

142687629 is a `hidden beast` number, since 14 + 2 + 6 + 8 + 7 + 629 = 666.

It is not a de Polignac number, because 142687629 - 2¹⁶ = 142622093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142687529) 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, 852 + ... + 16914.

It is an arithmetic number, because the mean of its divisors is an integer number (7710720).

Almost surely, 2^142687629 is an apocalyptic number.

It is an amenable number.

142687629 is a deficient number, since it is larger than the sum of its proper divisors (104055411).

142687629 is a wasteful number, since it uses less digits than its factorization.

142687629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16126 (or 16120 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 142687629 is about 11945.1927150632. The cubic root of 142687629 is about 522.5511090623.

The spelling of 142687629 in words is "one hundred forty-two million, six hundred eighty-seven thousand, six hundred twenty-nine".