1420545477 has 32 divisors (see below), whose sum is σ = 2101663872. Its totient is φ = 847805184.

The previous prime is 1420545407. The next prime is 1420545479. The reversal of 1420545477 is 7745450241.

It is not a de Polignac number, because 1420545477 - 2⁸ = 1420545221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420545479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 499303 + ... + 502139.

It is an arithmetic number, because the mean of its divisors is an integer number (65676996).

Almost surely, 2^1420545477 is an apocalyptic number.

It is an amenable number.

1420545477 is a deficient number, since it is larger than the sum of its proper divisors (681118395).

1420545477 is a wasteful number, since it uses less digits than its factorization.

1420545477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3237.

The product of its (nonzero) digits is 156800, while the sum is 39.

The square root of 1420545477 is about 37690.1243961863. The cubic root of 1420545477 is about 1124.1347689980.

The spelling of 1420545477 in words is "one billion, four hundred twenty million, five hundred forty-five thousand, four hundred seventy-seven".