145452377 has 16 divisors (see below), whose sum is σ = 170406912. Its totient is φ = 121579920.

The previous prime is 145452343. The next prime is 145452383. The reversal of 145452377 is 773254541.

It is not a de Polignac number, because 145452377 - 2²⁴ = 128675161 is a prime.

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 145452377.

It is not an unprimeable number, because it can be changed into a prime (145452397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46802 + ... + 49812.

It is an arithmetic number, because the mean of its divisors is an integer number (10650432).

Almost surely, 2^145452377 is an apocalyptic number.

It is an amenable number.

145452377 is a deficient number, since it is larger than the sum of its proper divisors (24954535).

145452377 is a wasteful number, since it uses less digits than its factorization.

145452377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3188.

The product of its digits is 117600, while the sum is 38.

The square root of 145452377 is about 12060.3638833992. The cubic root of 145452377 is about 525.9045654229.

The spelling of 145452377 in words is "one hundred forty-five million, four hundred fifty-two thousand, three hundred seventy-seven".