142553045 has 8 divisors (see below), whose sum is σ = 175687224. Its totient is φ = 110960064.

The previous prime is 142553039. The next prime is 142553063. The reversal of 142553045 is 540355241.

It can be written as a sum of positive squares in 4 ways, for example, as 17247409 + 125305636 = 4153^2 + 11194^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 142553045 - 2⁶ = 142552981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142552999 and 142553017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385094 + ... + 385463.

It is an arithmetic number, because the mean of its divisors is an integer number (21960903).

Almost surely, 2^142553045 is an apocalyptic number.

It is an amenable number.

142553045 is a deficient number, since it is larger than the sum of its proper divisors (33134179).

142553045 is an equidigital number, since it uses as much as digits as its factorization.

142553045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770599.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 142553045 is about 11939.5579901435. The cubic root of 142553045 is about 522.3867660577.

The spelling of 142553045 in words is "one hundred forty-two million, five hundred fifty-three thousand, forty-five".