145073852377 has 4 divisors (see below), whose sum is σ = 151381411200. Its totient is φ = 138766293556.

The previous prime is 145073852369. The next prime is 145073852381. The reversal of 145073852377 is 773258370541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 145073852377 - 2³ = 145073852369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145073850377) 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, 3153779377 + ... + 3153779422.

It is an arithmetic number, because the mean of its divisors is an integer number (37845352800).

Almost surely, 2^145073852377 is an apocalyptic number.

It is an amenable number.

145073852377 is a deficient number, since it is larger than the sum of its proper divisors (6307558823).

145073852377 is an equidigital number, since it uses as much as digits as its factorization.

145073852377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6307558822.

The product of its (nonzero) digits is 4939200, while the sum is 52.

The spelling of 145073852377 in words is "one hundred forty-five billion, seventy-three million, eight hundred fifty-two thousand, three hundred seventy-seven".