145111499 has 8 divisors (see below), whose sum is σ = 156428160. Its totient is φ = 133816896.

The previous prime is 145111487. The next prime is 145111523. The reversal of 145111499 is 994111541.

145111499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145111499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145111459) 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, 9734 + ... + 19620.

It is an arithmetic number, because the mean of its divisors is an integer number (19553520).

Almost surely, 2^145111499 is an apocalyptic number.

145111499 is a deficient number, since it is larger than the sum of its proper divisors (11316661).

145111499 is a wasteful number, since it uses less digits than its factorization.

145111499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11029.

The product of its digits is 6480, while the sum is 35.

The square root of 145111499 is about 12046.2234330930. The cubic root of 145111499 is about 525.4934124709.

The spelling of 145111499 in words is "one hundred forty-five million, one hundred eleven thousand, four hundred ninety-nine".