145907973850 has 48 divisors (see below), whose sum is σ = 283305885120. Its totient is φ = 55802489600.

The previous prime is 145907973833. The next prime is 145907973857. The reversal of 145907973850 is 58379709541.

It is not an unprimeable number, because it can be changed into a prime (145907973857) 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 23 ways as a sum of consecutive naturals, for example, 2885586 + ... + 2935714.

It is an arithmetic number, because the mean of its divisors is an integer number (5902205940).

Almost surely, 2^145907973850 is an apocalyptic number.

145907973850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145907973850 is a deficient number, since it is larger than the sum of its proper divisors (137397911270).

145907973850 is a wasteful number, since it uses less digits than its factorization.

145907973850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52695 (or 52690 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 58.

The spelling of 145907973850 in words is "one hundred forty-five billion, nine hundred seven million, nine hundred seventy-three thousand, eight hundred fifty".