145631119 has 2 divisors, whose sum is σ = 145631120. Its totient is φ = 145631118.

The previous prime is 145631107. The next prime is 145631183. The reversal of 145631119 is 911136541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145631119 - 2²¹ = 143533967 is a prime.

It is a super-2 number, since 2×145631119² = 42416845642384322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145631419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72815559 + 72815560.

It is an arithmetic number, because the mean of its divisors is an integer number (72815560).

Almost surely, 2^145631119 is an apocalyptic number.

145631119 is a deficient number, since it is larger than the sum of its proper divisors (1).

145631119 is an equidigital number, since it uses as much as digits as its factorization.

145631119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 31.

The square root of 145631119 is about 12067.7719153123. The cubic root of 145631119 is about 526.1198999467.

The spelling of 145631119 in words is "one hundred forty-five million, six hundred thirty-one thousand, one hundred nineteen".