145767813 has 16 divisors (see below), whose sum is σ = 205840896. Its totient is φ = 91563120.

The previous prime is 145767799. The next prime is 145767841. The reversal of 145767813 is 318767541.

It is not a de Polignac number, because 145767813 - 2¹⁷ = 145636741 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145767113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11143 + ... + 20388.

It is an arithmetic number, because the mean of its divisors is an integer number (12865056).

Almost surely, 2^145767813 is an apocalyptic number.

It is an amenable number.

145767813 is a deficient number, since it is larger than the sum of its proper divisors (60073083).

145767813 is a wasteful number, since it uses less digits than its factorization.

145767813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31624.

The product of its digits is 141120, while the sum is 42.

The square root of 145767813 is about 12073.4341841913. The cubic root of 145767813 is about 526.2844594275.

The spelling of 145767813 in words is "one hundred forty-five million, seven hundred sixty-seven thousand, eight hundred thirteen".