145863433 has 4 divisors (see below), whose sum is σ = 146829568. Its totient is φ = 144897300.

The previous prime is 145863409. The next prime is 145863479. The reversal of 145863433 is 334368541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 145863433 - 2¹⁷ = 145732361 is a prime.

It is a super-2 number, since 2×145863433² = 42552282173090978, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145863392 and 145863401.

It is not an unprimeable number, because it can be changed into a prime (145863233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 482841 + ... + 483142.

It is an arithmetic number, because the mean of its divisors is an integer number (36707392).

Almost surely, 2^145863433 is an apocalyptic number.

It is an amenable number.

145863433 is a deficient number, since it is larger than the sum of its proper divisors (966135).

145863433 is an equidigital number, since it uses as much as digits as its factorization.

145863433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966134.

The product of its digits is 103680, while the sum is 37.

The square root of 145863433 is about 12077.3934687912. The cubic root of 145863433 is about 526.3995107075.

The spelling of 145863433 in words is "one hundred forty-five million, eight hundred sixty-three thousand, four hundred thirty-three".