145750005 has 24 divisors (see below), whose sum is σ = 258511968. Its totient is φ = 75924576.

The previous prime is 145749983. The next prime is 145750009. The reversal of 145750005 is 500057541.

It is not a de Polignac number, because 145750005 - 2⁵ = 145749973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145750009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35727 + ... + 39596.

It is an arithmetic number, because the mean of its divisors is an integer number (10771332).

Almost surely, 2^145750005 is an apocalyptic number.

145750005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145750005 is a deficient number, since it is larger than the sum of its proper divisors (112761963).

145750005 is a wasteful number, since it uses less digits than its factorization.

145750005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75377 (or 75374 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 145750005 is about 12072.6966747285. The cubic root of 145750005 is about 526.2630270433.

The spelling of 145750005 in words is "one hundred forty-five million, seven hundred fifty thousand, five".