145240654 has 32 divisors (see below), whose sum is σ = 242051040. Its totient is φ = 64945152.

The previous prime is 145240643. The next prime is 145240681. The reversal of 145240654 is 456042541.

It is a happy number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 111334 + ... + 112630.

It is an arithmetic number, because the mean of its divisors is an integer number (7564095).

Almost surely, 2^145240654 is an apocalyptic number.

145240654 is a deficient number, since it is larger than the sum of its proper divisors (96810386).

145240654 is a wasteful number, since it uses less digits than its factorization.

145240654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 145240654 is about 12051.5830495417. The cubic root of 145240654 is about 525.6492695794.

The spelling of 145240654 in words is "one hundred forty-five million, two hundred forty thousand, six hundred fifty-four".