145893357 has 6 divisors (see below), whose sum is σ = 210734862. Its totient is φ = 97262232.

The previous prime is 145893353. The next prime is 145893359. The reversal of 145893357 is 753398541.

145893357 is a `hidden beast` number, since 14 + 589 + 3 + 3 + 57 = 666.

It can be written as a sum of positive squares in only one way, i.e., 145298916 + 594441 = 12054^2 + 771^2 .

It is not a de Polignac number, because 145893357 - 2² = 145893353 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145893353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8105178 + ... + 8105195.

It is an arithmetic number, because the mean of its divisors is an integer number (35122477).

Almost surely, 2^145893357 is an apocalyptic number.

It is an amenable number.

145893357 is a deficient number, since it is larger than the sum of its proper divisors (64841505).

145893357 is a wasteful number, since it uses less digits than its factorization.

145893357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16210379 (or 16210376 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 145893357 is about 12078.6322487275. The cubic root of 145893357 is about 526.4355053398.

The spelling of 145893357 in words is "one hundred forty-five million, eight hundred ninety-three thousand, three hundred fifty-seven".