145111393 has 24 divisors (see below), whose sum is σ = 177128640. Its totient is φ = 118308960.

The previous prime is 145111391. The next prime is 145111399. The reversal of 145111393 is 393111541.

It is not a de Polignac number, because 145111393 - 2¹ = 145111391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145111391) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 372843 + ... + 373231.

It is an arithmetic number, because the mean of its divisors is an integer number (7380360).

Almost surely, 2^145111393 is an apocalyptic number.

It is an amenable number.

145111393 is a deficient number, since it is larger than the sum of its proper divisors (32017247).

145111393 is a wasteful number, since it uses less digits than its factorization.

145111393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757 (or 750 counting only the distinct ones).

The product of its digits is 1620, while the sum is 28.

The square root of 145111393 is about 12046.2190333731. The cubic root of 145111393 is about 525.4932845180.

The spelling of 145111393 in words is "one hundred forty-five million, one hundred eleven thousand, three hundred ninety-three".