145251956 has 12 divisors (see below), whose sum is σ = 254275392. Its totient is φ = 72601848.

The previous prime is 145251947. The next prime is 145252001. The reversal of 145251956 is 659152541.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19811 + ... + 26133.

It is an arithmetic number, because the mean of its divisors is an integer number (21189616).

Almost surely, 2^145251956 is an apocalyptic number.

It is an amenable number.

145251956 is a deficient number, since it is larger than the sum of its proper divisors (109023436).

145251956 is a wasteful number, since it uses less digits than its factorization.

145251956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12070 (or 12068 counting only the distinct ones).

The product of its digits is 54000, while the sum is 38.

The square root of 145251956 is about 12052.0519414745. The cubic root of 145251956 is about 525.6629038106.

The spelling of 145251956 in words is "one hundred forty-five million, two hundred fifty-one thousand, nine hundred fifty-six".