145444995 has 24 divisors (see below), whose sum is σ = 252444816. Its totient is φ = 77466048.

The previous prime is 145444973. The next prime is 145445011. The reversal of 145444995 is 599444541.

145444995 is a `hidden beast` number, since 14 + 544 + 4 + 9 + 95 = 666.

It is not a de Polignac number, because 145444995 - 2²² = 141250691 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 145444995.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40909 + ... + 44321.

It is an arithmetic number, because the mean of its divisors is an integer number (10518534).

Almost surely, 2^145444995 is an apocalyptic number.

145444995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145444995 is a deficient number, since it is larger than the sum of its proper divisors (106999821).

145444995 is a wasteful number, since it uses less digits than its factorization.

145444995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4371 (or 4368 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 145444995 is about 12060.0578356822. The cubic root of 145444995 is about 525.8956683684.

Adding to 145444995 its sum of digits (45), we get a triangular number (145445040 = T₁₇₀₅₅).

The spelling of 145444995 in words is "one hundred forty-five million, four hundred forty-four thousand, nine hundred ninety-five".