101442429 has 16 divisors (see below), whose sum is σ = 163947840. Its totient is φ = 61480080.

The previous prime is 101442427. The next prime is 101442437. The reversal of 101442429 is 924244101.

It is a happy number.

It is not a de Polignac number, because 101442429 - 2¹ = 101442427 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101442421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170482 + ... + 171075.

It is an arithmetic number, because the mean of its divisors is an integer number (10246740).

Almost surely, 2^101442429 is an apocalyptic number.

It is an amenable number.

101442429 is a deficient number, since it is larger than the sum of its proper divisors (62505411).

101442429 is a wasteful number, since it uses less digits than its factorization.

101442429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341577 (or 341571 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 101442429 is about 10071.8632337815. The cubic root of 101442429 is about 466.3799589811.

The spelling of 101442429 in words is "one hundred one million, four hundred forty-two thousand, four hundred twenty-nine".