145577643 has 8 divisors (see below), whose sum is σ = 200365056. Its totient is φ = 93921000.

The previous prime is 145577633. The next prime is 145577671. The reversal of 145577643 is 346775541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145577643 - 2⁵ = 145577611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145577595 and 145577604.

It is not an unprimeable number, because it can be changed into a prime (145577623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 782583 + ... + 782768.

It is an arithmetic number, because the mean of its divisors is an integer number (25045632).

Almost surely, 2^145577643 is an apocalyptic number.

145577643 is a deficient number, since it is larger than the sum of its proper divisors (54787413).

145577643 is a wasteful number, since it uses less digits than its factorization.

145577643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565385.

The product of its digits is 352800, while the sum is 42.

The square root of 145577643 is about 12065.5560584666. The cubic root of 145577643 is about 526.0554946823.

The spelling of 145577643 in words is "one hundred forty-five million, five hundred seventy-seven thousand, six hundred forty-three".