145150331 has 2 divisors, whose sum is σ = 145150332. Its totient is φ = 145150330.

The previous prime is 145150321. The next prime is 145150363. The reversal of 145150331 is 133051541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145150331 - 2¹⁸ = 144888187 is a prime.

It is a super-2 number, since 2×145150331² = 42137237178819122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 145150297 and 145150306.

It is not a weakly prime, because it can be changed into another prime (145150321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72575165 + 72575166.

It is an arithmetic number, because the mean of its divisors is an integer number (72575166).

Almost surely, 2^145150331 is an apocalyptic number.

145150331 is a deficient number, since it is larger than the sum of its proper divisors (1).

145150331 is an equidigital number, since it uses as much as digits as its factorization.

145150331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 145150331 is about 12047.8351167336. The cubic root of 145150331 is about 525.5402824993.

The spelling of 145150331 in words is "one hundred forty-five million, one hundred fifty thousand, three hundred thirty-one".