1420051545 has 48 divisors (see below), whose sum is σ = 2826532800. Its totient is φ = 652268160.

The previous prime is 1420051537. The next prime is 1420051637. The reversal of 1420051545 is 5451500241.

1420051545 is a `hidden beast` number, since 142 + 0 + 0 + 515 + 4 + 5 = 666.

It is not a de Polignac number, because 1420051545 - 2³ = 1420051537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66090 + ... + 84899.

It is an arithmetic number, because the mean of its divisors is an integer number (58886100).

Almost surely, 2^1420051545 is an apocalyptic number.

1420051545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1420051545 is a deficient number, since it is larger than the sum of its proper divisors (1406481255).

1420051545 is a wasteful number, since it uses less digits than its factorization.

1420051545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151030 (or 151027 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 1420051545 is about 37683.5712877641. The cubic root of 1420051545 is about 1124.0044644753.

Adding to 1420051545 its reverse (5451500241), we get a palindrome (6871551786).

The spelling of 1420051545 in words is "one billion, four hundred twenty million, fifty-one thousand, five hundred forty-five".