142180029 has 48 divisors (see below), whose sum is σ = 222243840. Its totient is φ = 90765360.

The previous prime is 142179991. The next prime is 142180037. The reversal of 142180029 is 920081241.

It is not a de Polignac number, because 142180029 - 2⁸ = 142179773 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 142179984 and 142180011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142180039) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 673734 + ... + 673944.

It is an arithmetic number, because the mean of its divisors is an integer number (4630080).

Almost surely, 2^142180029 is an apocalyptic number.

It is an amenable number.

142180029 is a deficient number, since it is larger than the sum of its proper divisors (80063811).

142180029 is an equidigital number, since it uses as much as digits as its factorization.

142180029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 142180029 is about 11923.9267441561. The cubic root of 142180029 is about 521.9307280253.

The spelling of 142180029 in words is "one hundred forty-two million, one hundred eighty thousand, twenty-nine".