1420145442 has 24 divisors (see below), whose sum is σ = 3210764544. Its totient is φ = 452799864.

The previous prime is 1420145437. The next prime is 1420145449. The reversal of 1420145442 is 2445410241.

1420145442 is a `hidden beast` number, since 1 + 4 + 201 + 454 + 4 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (1420145449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1714738 + ... + 1715565.

It is an arithmetic number, because the mean of its divisors is an integer number (133781856).

Almost surely, 2^1420145442 is an apocalyptic number.

1420145442 is an abundant number, since it is smaller than the sum of its proper divisors (1790619102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1420145442 is a wasteful number, since it uses less digits than its factorization.

1420145442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3430334 (or 3430331 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 1420145442 is about 37684.8171283874. The cubic root of 1420145442 is about 1124.0292378298.

Adding to 1420145442 its reverse (2445410241), we get a palindrome (3865555683).

It can be divided in two parts, 142014 and 5442, that added together give a square (147456 = 384²).

The spelling of 1420145442 in words is "one billion, four hundred twenty million, one hundred forty-five thousand, four hundred forty-two".