142552403 has 8 divisors (see below), whose sum is σ = 163108608. Its totient is φ = 122044104.

The previous prime is 142552391. The next prime is 142552409. The reversal of 142552403 is 304255241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142552403 - 2⁴ = 142552387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142552409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5351 + ... + 17712.

It is an arithmetic number, because the mean of its divisors is an integer number (20388576).

Almost surely, 2^142552403 is an apocalyptic number.

142552403 is a deficient number, since it is larger than the sum of its proper divisors (20556205).

142552403 is an equidigital number, since it uses as much as digits as its factorization.

142552403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23953.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 142552403 is about 11939.5311046959. The cubic root of 142552403 is about 522.3859818518.

The spelling of 142552403 in words is "one hundred forty-two million, five hundred fifty-two thousand, four hundred three".