145816357 has 2 divisors, whose sum is σ = 145816358. Its totient is φ = 145816356.

The previous prime is 145816339. The next prime is 145816381. The reversal of 145816357 is 753618541.

It is a happy number.

145816357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91661476 + 54154881 = 9574^2 + 7359^2 .

It is a cyclic number.

It is not a de Polignac number, because 145816357 - 2²³ = 137427749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145816387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72908178 + 72908179.

It is an arithmetic number, because the mean of its divisors is an integer number (72908179).

Almost surely, 2^145816357 is an apocalyptic number.

It is an amenable number.

145816357 is a deficient number, since it is larger than the sum of its proper divisors (1).

145816357 is an equidigital number, since it uses as much as digits as its factorization.

145816357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 40.

The square root of 145816357 is about 12075.4443810570. Note that the first 3 decimals coincide. The cubic root of 145816357 is about 526.3428745119.

The spelling of 145816357 in words is "one hundred forty-five million, eight hundred sixteen thousand, three hundred fifty-seven".