142964369 has 4 divisors (see below), whose sum is σ = 143452596. Its totient is φ = 142476144.

The previous prime is 142964363. The next prime is 142964383. The reversal of 142964369 is 963469241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 139523344 + 3441025 = 11812^2 + 1855^2 .

It is a cyclic number.

It is not a de Polignac number, because 142964369 - 2¹² = 142960273 is a prime.

It is a super-2 number, since 2×142964369² = 40877621607136322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142964363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243674 + ... + 244259.

It is an arithmetic number, because the mean of its divisors is an integer number (35863149).

Almost surely, 2^142964369 is an apocalyptic number.

It is an amenable number.

142964369 is a deficient number, since it is larger than the sum of its proper divisors (488227).

142964369 is an equidigital number, since it uses as much as digits as its factorization.

142964369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488226.

The product of its digits is 279936, while the sum is 44.

The square root of 142964369 is about 11956.7708433339. The cubic root of 142964369 is about 522.8887169441. Note that the first 3 decimals are identical.

The spelling of 142964369 in words is "one hundred forty-two million, nine hundred sixty-four thousand, three hundred sixty-nine".