145255679 has 4 divisors (see below), whose sum is σ = 145282584. Its totient is φ = 145228776.

The previous prime is 145255637. The next prime is 145255681. The reversal of 145255679 is 976552541.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145255679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145255079) 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, 2237 + ... + 17190.

It is an arithmetic number, because the mean of its divisors is an integer number (36320646).

Almost surely, 2^145255679 is an apocalyptic number.

145255679 is a deficient number, since it is larger than the sum of its proper divisors (26905).

145255679 is an equidigital number, since it uses as much as digits as its factorization.

145255679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26904.

The product of its digits is 378000, while the sum is 44.

The square root of 145255679 is about 12052.2063955112. The cubic root of 145255679 is about 525.6673949177.

The spelling of 145255679 in words is "one hundred forty-five million, two hundred fifty-five thousand, six hundred seventy-nine".