3550145642 has 8 divisors (see below), whose sum is σ = 5331902436. Its totient is φ = 1772844832.

The previous prime is 3550145633. The next prime is 3550145647. The reversal of 3550145642 is 2465410553.

It can be written as a sum of positive squares in 2 ways, for example, as 3448155841 + 101989801 = 58721^2 + 10099^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3550145647) 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, 1112003 + ... + 1115190.

Almost surely, 2^3550145642 is an apocalyptic number.

3550145642 is a deficient number, since it is larger than the sum of its proper divisors (1781756794).

3550145642 is a wasteful number, since it uses less digits than its factorization.

3550145642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227992.

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 3550145642 is about 59583.0986270436. The cubic root of 3550145642 is about 1525.5111631604.

The spelling of 3550145642 in words is "three billion, five hundred fifty million, one hundred forty-five thousand, six hundred forty-two".