1421542355 has 16 divisors (see below), whose sum is σ = 1762041600. Its totient is φ = 1099822080.

The previous prime is 1421542321. The next prime is 1421542391. The reversal of 1421542355 is 5532451241.

It is not a de Polignac number, because 1421542355 - 2²⁴ = 1404765139 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458651 + ... + 461739.

It is an arithmetic number, because the mean of its divisors is an integer number (110127600).

Almost surely, 2^1421542355 is an apocalyptic number.

1421542355 is a deficient number, since it is larger than the sum of its proper divisors (340499245).

1421542355 is a wasteful number, since it uses less digits than its factorization.

1421542355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6094.

The product of its digits is 24000, while the sum is 32.

The square root of 1421542355 is about 37703.3467347396. The cubic root of 1421542355 is about 1124.3976640631.

Adding to 1421542355 its reverse (5532451241), we get a palindrome (6953993596).

The spelling of 1421542355 in words is "one billion, four hundred twenty-one million, five hundred forty-two thousand, three hundred fifty-five".