145162983 has 32 divisors (see below), whose sum is σ = 246551040. Its totient is φ = 73958400.

The previous prime is 145162973. The next prime is 145162991. The reversal of 145162983 is 389261541.

It is not a de Polignac number, because 145162983 - 2¹⁰ = 145161959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145162903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3918 + ... + 17483.

It is an arithmetic number, because the mean of its divisors is an integer number (7704720).

Almost surely, 2^145162983 is an apocalyptic number.

145162983 is a deficient number, since it is larger than the sum of its proper divisors (101388057).

145162983 is a wasteful number, since it uses less digits than its factorization.

145162983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21447.

The product of its digits is 51840, while the sum is 39.

The square root of 145162983 is about 12048.3601788791. The cubic root of 145162983 is about 525.5555515941. Note that the first 5 decimals are identical.

The spelling of 145162983 in words is "one hundred forty-five million, one hundred sixty-two thousand, nine hundred eighty-three".