145838045837 has 16 divisors (see below), whose sum is σ = 169034688000. Its totient is φ = 124428273840.

The previous prime is 145838045833. The next prime is 145838045839. The reversal of 145838045837 is 738540838541.

It is a cyclic number.

It is not a de Polignac number, because 145838045837 - 2² = 145838045833 is a prime.

It is a super-2 number, since 2×145838045837² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145838045833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3238337 + ... + 3283062.

It is an arithmetic number, because the mean of its divisors is an integer number (10564668000).

Almost surely, 2^145838045837 is an apocalyptic number.

It is an amenable number.

145838045837 is a deficient number, since it is larger than the sum of its proper divisors (23196642163).

145838045837 is a wasteful number, since it uses less digits than its factorization.

145838045837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6521536.

The product of its (nonzero) digits is 12902400, while the sum is 56.

The spelling of 145838045837 in words is "one hundred forty-five billion, eight hundred thirty-eight million, forty-five thousand, eight hundred thirty-seven".