142469459 has 16 divisors (see below), whose sum is σ = 163482624. Its totient is φ = 122959200.

The previous prime is 142469423. The next prime is 142469471. The reversal of 142469459 is 954964241.

It is a cyclic number.

It is not a de Polignac number, because 142469459 - 2¹⁶ = 142403923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142469419) 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, 14132 + ... + 22014.

It is an arithmetic number, because the mean of its divisors is an integer number (10217664).

Almost surely, 2^142469459 is an apocalyptic number.

142469459 is a deficient number, since it is larger than the sum of its proper divisors (21013165).

142469459 is a wasteful number, since it uses less digits than its factorization.

142469459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7978.

The product of its digits is 311040, while the sum is 44.

The square root of 142469459 is about 11936.0570960431. The cubic root of 142469459 is about 522.2846455752.

The spelling of 142469459 in words is "one hundred forty-two million, four hundred sixty-nine thousand, four hundred fifty-nine".