145176256966890 has 32 divisors (see below), whose sum is σ = 348676784493696. Its totient is φ = 38685472105280.

The previous prime is 145176256966889. The next prime is 145176256966927. The reversal of 145176256966890 is 98669652671541.

It is a super-2 number, since 2×145176256966890² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

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, 1762234326 + ... + 1762316705.

It is an arithmetic number, because the mean of its divisors is an integer number (10896149515428).

Almost surely, 2^{145176256966890} is an apocalyptic number.

145176256966890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145176256966890 is an abundant number, since it is smaller than the sum of its proper divisors (203500527526806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145176256966890 is a wasteful number, since it uses less digits than its factorization.

145176256966890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3524552414.

The product of its (nonzero) digits is 1175731200, while the sum is 75.

The spelling of 145176256966890 in words is "one hundred forty-five trillion, one hundred seventy-six billion, two hundred fifty-six million, nine hundred sixty-six thousand, eight hundred ninety".