145353139 has 2 divisors, whose sum is σ = 145353140. Its totient is φ = 145353138.

The previous prime is 145353137. The next prime is 145353157. The reversal of 145353139 is 931353541.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145353139 - 2¹ = 145353137 is a prime.

It is a super-2 number, since 2×145353139² = 42255070034306642, which contains 22 as substring.

Together with 145353137, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (145353137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72676569 + 72676570.

It is an arithmetic number, because the mean of its divisors is an integer number (72676570).

Almost surely, 2^145353139 is an apocalyptic number.

145353139 is a deficient number, since it is larger than the sum of its proper divisors (1).

145353139 is an equidigital number, since it uses as much as digits as its factorization.

145353139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24300, while the sum is 34.

The square root of 145353139 is about 12056.2489606013. The cubic root of 145353139 is about 525.7849349935.

The spelling of 145353139 in words is "one hundred forty-five million, three hundred fifty-three thousand, one hundred thirty-nine".