145314031 has 2 divisors, whose sum is σ = 145314032. Its totient is φ = 145314030.

The previous prime is 145314007. The next prime is 145314047. The reversal of 145314031 is 130413541.

145314031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145314031 - 2¹⁵ = 145281263 is a prime.

It is a super-2 number, since 2×145314031² = 42232335210937922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145313993 and 145314011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145314061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72657015 + 72657016.

It is an arithmetic number, because the mean of its divisors is an integer number (72657016).

Almost surely, 2^145314031 is an apocalyptic number.

145314031 is a deficient number, since it is larger than the sum of its proper divisors (1).

145314031 is an equidigital number, since it uses as much as digits as its factorization.

145314031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 145314031 is about 12054.6269539957. The cubic root of 145314031 is about 525.7377757284.

Adding to 145314031 its reverse (130413541), we get a palindrome (275727572).

The spelling of 145314031 in words is "one hundred forty-five million, three hundred fourteen thousand, thirty-one".