145808654 has 16 divisors (see below), whose sum is σ = 223143648. Its totient is φ = 71442432.

The previous prime is 145808639. The next prime is 145808737. The reversal of 145808654 is 456808541.

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 7 ways as a sum of consecutive naturals, for example, 16334 + ... + 23630.

It is an arithmetic number, because the mean of its divisors is an integer number (13946478).

Almost surely, 2^145808654 is an apocalyptic number.

145808654 is a deficient number, since it is larger than the sum of its proper divisors (77334994).

145808654 is a wasteful number, since it uses less digits than its factorization.

145808654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7499.

The product of its (nonzero) digits is 153600, while the sum is 41.

The square root of 145808654 is about 12075.1254237792. The cubic root of 145808654 is about 526.3336060260. Note that the first 3 decimals are identical.

The spelling of 145808654 in words is "one hundred forty-five million, eight hundred eight thousand, six hundred fifty-four".