145706455 has 8 divisors (see below), whose sum is σ = 175005072. Its totient is φ = 116460288.

The previous prime is 145706447. The next prime is 145706549. The reversal of 145706455 is 554607541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145706455 - 2³ = 145706447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6714 + ... + 18343.

It is an arithmetic number, because the mean of its divisors is an integer number (21875634).

Almost surely, 2^145706455 is an apocalyptic number.

145706455 is a deficient number, since it is larger than the sum of its proper divisors (29298617).

145706455 is a wasteful number, since it uses less digits than its factorization.

145706455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26225.

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 145706455 is about 12070.8928832958. The cubic root of 145706455 is about 526.2106061465.

It can be divided in two parts, 14570 and 6455, that added together give a square (21025 = 145²).

The spelling of 145706455 in words is "one hundred forty-five million, seven hundred six thousand, four hundred fifty-five".