145375779 has 8 divisors (see below), whose sum is σ = 194639632. Its totient is φ = 96514560.

The previous prime is 145375751. The next prime is 145375787. The reversal of 145375779 is 977573541.

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

It is not a de Polignac number, because 145375779 - 2⁹ = 145375267 is a prime.

It is a super-2 number, since 2×145375779² = 42268234239713682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145375799) 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, 99814 + ... + 101259.

It is an arithmetic number, because the mean of its divisors is an integer number (24329954).

Almost surely, 2^145375779 is an apocalyptic number.

145375779 is a deficient number, since it is larger than the sum of its proper divisors (49263853).

145375779 is a wasteful number, since it uses less digits than its factorization.

145375779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201317.

The product of its digits is 926100, while the sum is 48.

The square root of 145375779 is about 12057.1878562126. The cubic root of 145375779 is about 525.8122320830.

The spelling of 145375779 in words is "one hundred forty-five million, three hundred seventy-five thousand, seven hundred seventy-nine".