145124851 has 2 divisors, whose sum is σ = 145124852. Its totient is φ = 145124850.

The previous prime is 145124843. The next prime is 145124887. The reversal of 145124851 is 158421541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145124851 - 2³ = 145124843 is a prime.

It is a super-2 number, since 2×145124851² = 42122444755544402, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (145124251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72562425 + 72562426.

It is an arithmetic number, because the mean of its divisors is an integer number (72562426).

Almost surely, 2^145124851 is an apocalyptic number.

145124851 is a deficient number, since it is larger than the sum of its proper divisors (1).

145124851 is an equidigital number, since it uses as much as digits as its factorization.

145124851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6400, while the sum is 31.

The square root of 145124851 is about 12046.7776189320. Note that the first 3 decimals coincide. The cubic root of 145124851 is about 525.5095292108.

The spelling of 145124851 in words is "one hundred forty-five million, one hundred twenty-four thousand, eight hundred fifty-one".