145392683 has 8 divisors (see below), whose sum is σ = 155415456. Its totient is φ = 135678400.

The previous prime is 145392661. The next prime is 145392691. The reversal of 145392683 is 386293541.

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

It is a cyclic number.

It is not a de Polignac number, because 145392683 - 2¹² = 145388587 is a prime.

It is a super-2 number, since 2×145392683² = 42278064539876978, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145392683.

It is not an unprimeable number, because it can be changed into a prime (145392623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76148 + ... + 78033.

It is an arithmetic number, because the mean of its divisors is an integer number (19426932).

Almost surely, 2^145392683 is an apocalyptic number.

145392683 is a deficient number, since it is larger than the sum of its proper divisors (10022773).

145392683 is a wasteful number, since it uses less digits than its factorization.

145392683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154245.

The product of its digits is 155520, while the sum is 41.

The square root of 145392683 is about 12057.8888284807. Note that the first 4 decimals coincide. The cubic root of 145392683 is about 525.8326114189.

The spelling of 145392683 in words is "one hundred forty-five million, three hundred ninety-two thousand, six hundred eighty-three".