145003859 has 36 divisors (see below), whose sum is σ = 197437968. Its totient is φ = 104195520.

The previous prime is 145003847. The next prime is 145003867. The reversal of 145003859 is 958300541.

It is not a de Polignac number, because 145003859 - 2¹² = 144999763 is a prime.

It is a super-2 number, since 2×145003859² = 42052238249783762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145003819) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 142637 + ... + 143649.

It is an arithmetic number, because the mean of its divisors is an integer number (5484388).

Almost surely, 2^145003859 is an apocalyptic number.

145003859 is a deficient number, since it is larger than the sum of its proper divisors (52434109).

145003859 is a wasteful number, since it uses less digits than its factorization.

145003859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068 (or 1044 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 145003859 is about 12041.7548139796. The cubic root of 145003859 is about 525.3634478046.

The spelling of 145003859 in words is "one hundred forty-five million, three thousand, eight hundred fifty-nine".