1421541245 has 8 divisors (see below), whose sum is σ = 1706987520. Its totient is φ = 1136474320.

The previous prime is 1421541229. The next prime is 1421541269. The reversal of 1421541245 is 5421451241.

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 1421541245 - 2⁴ = 1421541229 is a prime.

It is a super-2 number, since 2×1421541245² = 4041559022472300050, which contains 22 as substring.

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, 86525 + ... + 101634.

It is an arithmetic number, because the mean of its divisors is an integer number (213373440).

Almost surely, 2^1421541245 is an apocalyptic number.

It is an amenable number.

1421541245 is a deficient number, since it is larger than the sum of its proper divisors (285446275).

1421541245 is a wasteful number, since it uses less digits than its factorization.

1421541245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189675.

The product of its digits is 6400, while the sum is 29.

The square root of 1421541245 is about 37703.3320145581. The cubic root of 1421541245 is about 1124.3973714040.

Adding to 1421541245 its reverse (5421451241), we get a palindrome (6842992486).

The spelling of 1421541245 in words is "one billion, four hundred twenty-one million, five hundred forty-one thousand, two hundred forty-five".