145477155371 has 4 divisors (see below), whose sum is σ = 145625149392. Its totient is φ = 145329161352.

The previous prime is 145477155319. The next prime is 145477155389. The reversal of 145477155371 is 173551774541.

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

It is a cyclic number.

It is not a de Polignac number, because 145477155371 - 2¹⁸ = 145476893227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145477155071) 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, 73995536 + ... + 73997501.

It is an arithmetic number, because the mean of its divisors is an integer number (36406287348).

Almost surely, 2^145477155371 is an apocalyptic number.

145477155371 is a deficient number, since it is larger than the sum of its proper divisors (147994021).

145477155371 is an equidigital number, since it uses as much as digits as its factorization.

145477155371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147994020.

The product of its digits is 2058000, while the sum is 50.

The spelling of 145477155371 in words is "one hundred forty-five billion, four hundred seventy-seven million, one hundred fifty-five thousand, three hundred seventy-one".