145739890233 has 24 divisors (see below), whose sum is σ = 240897803328. Its totient is φ = 83172173472.

The previous prime is 145739890213. The next prime is 145739890259. The reversal of 145739890233 is 332098937541.

145739890233 is a `hidden beast` number, since 14 + 5 + 7 + 398 + 9 + 0 + 233 = 666.

It is not a de Polignac number, because 145739890233 - 2⁵ = 145739890201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145739890233.

It is not an unprimeable number, because it can be changed into a prime (145739890213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1447635 + ... + 1545032.

It is an arithmetic number, because the mean of its divisors is an integer number (10037408472).

Almost surely, 2^145739890233 is an apocalyptic number.

It is an amenable number.

145739890233 is a deficient number, since it is larger than the sum of its proper divisors (95157913095).

145739890233 is a wasteful number, since it uses less digits than its factorization.

145739890233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2993453 (or 2993450 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 145739890233 in words is "one hundred forty-five billion, seven hundred thirty-nine million, eight hundred ninety thousand, two hundred thirty-three".