145119992 has 16 divisors (see below), whose sum is σ = 278737200. Its totient is φ = 70790080.

The previous prime is 145119991. The next prime is 145120013. The reversal of 145119992 is 299911541.

It is a happy number.

145119992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145119991) 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, 220892 + ... + 221547.

It is an arithmetic number, because the mean of its divisors is an integer number (17421075).

Almost surely, 2^145119992 is an apocalyptic number.

It is an amenable number.

145119992 is a deficient number, since it is larger than the sum of its proper divisors (133617208).

145119992 is a wasteful number, since it uses less digits than its factorization.

145119992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442486 (or 442482 counting only the distinct ones).

The product of its digits is 29160, while the sum is 41.

The square root of 145119992 is about 12046.5759450559. The cubic root of 145119992 is about 525.5036641935.

The spelling of 145119992 in words is "one hundred forty-five million, one hundred nineteen thousand, nine hundred ninety-two".