1545290983 has 2 divisors, whose sum is σ = 1545290984. Its totient is φ = 1545290982.

The previous prime is 1545290963. The next prime is 1545290987. The reversal of 1545290983 is 3890925451.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1545290983 - 2⁵ = 1545290951 is a prime.

It is a super-2 number, since 2×1545290983² = 4775848444282212578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1545290987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 772645491 + 772645492.

It is an arithmetic number, because the mean of its divisors is an integer number (772645492).

Almost surely, 2^1545290983 is an apocalyptic number.

1545290983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1545290983 is an equidigital number, since it uses as much as digits as its factorization.

1545290983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 46.

The square root of 1545290983 is about 39310.1893025205. The cubic root of 1545290983 is about 1156.1213556881.

The spelling of 1545290983 in words is "one billion, five hundred forty-five million, two hundred ninety thousand, nine hundred eighty-three".