145150999 has 16 divisors (see below), whose sum is σ = 174799872. Its totient is φ = 117836928.

The previous prime is 145150991. The next prime is 145151009. The reversal of 145150999 is 999051541.

It is a cyclic number.

It is not a de Polignac number, because 145150999 - 2³ = 145150991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145150991) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 12207 + ... + 20959.

It is an arithmetic number, because the mean of its divisors is an integer number (10924992).

Almost surely, 2^145150999 is an apocalyptic number.

145150999 is a deficient number, since it is larger than the sum of its proper divisors (29648873).

145150999 is a wasteful number, since it uses less digits than its factorization.

145150999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8886.

The product of its (nonzero) digits is 72900, while the sum is 43.

The square root of 145150999 is about 12047.8628395247. The cubic root of 145150999 is about 525.5410886988.

The spelling of 145150999 in words is "one hundred forty-five million, one hundred fifty thousand, nine hundred ninety-nine".