2145332203604 has 6 divisors (see below), whose sum is σ = 3754331356314. Its totient is φ = 1072666101800.

The previous prime is 2145332203591. The next prime is 2145332203621. The reversal of 2145332203604 is 4063022335412.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1883075551504 + 262256652100 = 1372252^2 + 512110^2 .

It is a super-3 number, since 3×2145332203604³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268166525447 + ... + 268166525454.

It is an arithmetic number, because the mean of its divisors is an integer number (625721892719).

Almost surely, 2^{2145332203604} is an apocalyptic number.

It is an amenable number.

2145332203604 is a deficient number, since it is larger than the sum of its proper divisors (1608999152710).

2145332203604 is a wasteful number, since it uses less digits than its factorization.

2145332203604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536333050905 (or 536333050903 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 35.

The spelling of 2145332203604 in words is "two trillion, one hundred forty-five billion, three hundred thirty-two million, two hundred three thousand, six hundred four".