145119331 has 6 divisors (see below), whose sum is σ = 168812340. Its totient is φ = 124387956.

The previous prime is 145119329. The next prime is 145119343. The reversal of 145119331 is 133911541.

It is not a de Polignac number, because 145119331 - 2¹ = 145119329 is a prime.

It is a super-2 number, since 2×145119331² = 42119240459775122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145119331.

It is not an unprimeable number, because it can be changed into a prime (145119371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1480761 + ... + 1480858.

It is an arithmetic number, because the mean of its divisors is an integer number (28135390).

Almost surely, 2^145119331 is an apocalyptic number.

145119331 is a deficient number, since it is larger than the sum of its proper divisors (23693009).

145119331 is an equidigital number, since it uses as much as digits as its factorization.

145119331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2961633 (or 2961626 counting only the distinct ones).

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

The square root of 145119331 is about 12046.5485098430. The cubic root of 145119331 is about 525.5028663286.

The spelling of 145119331 in words is "one hundred forty-five million, one hundred nineteen thousand, three hundred thirty-one".