145493079 has 8 divisors (see below), whose sum is σ = 194966400. Its totient is φ = 96507576.

The previous prime is 145493071. The next prime is 145493081. The reversal of 145493079 is 970394541.

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

It is not a de Polignac number, because 145493079 - 2³ = 145493071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145493079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145493071) 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, 121257 + ... + 122450.

It is an arithmetic number, because the mean of its divisors is an integer number (24370800).

Almost surely, 2^145493079 is an apocalyptic number.

145493079 is a deficient number, since it is larger than the sum of its proper divisors (49473321).

145493079 is a wasteful number, since it uses less digits than its factorization.

145493079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243909.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 145493079 is about 12062.0511937232. The cubic root of 145493079 is about 525.9536155467.

The spelling of 145493079 in words is "one hundred forty-five million, four hundred ninety-three thousand, seventy-nine".