145112939750 has 32 divisors (see below), whose sum is σ = 283462365888. Its totient is φ = 55521470400.

The previous prime is 145112939749. The next prime is 145112939759. The reversal of 145112939750 is 57939211541.

It is a happy number.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 145112939695 and 145112939704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145112939759) 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, 12612767 + ... + 12624266.

It is an arithmetic number, because the mean of its divisors is an integer number (8858198934).

Almost surely, 2^145112939750 is an apocalyptic number.

145112939750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145112939750 is a deficient number, since it is larger than the sum of its proper divisors (138349426138).

145112939750 is a wasteful number, since it uses less digits than its factorization.

145112939750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25237073 (or 25237063 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 47.

The spelling of 145112939750 in words is "one hundred forty-five billion, one hundred twelve million, nine hundred thirty-nine thousand, seven hundred fifty".