145654906 has 8 divisors (see below), whose sum is σ = 227981664. Its totient is φ = 69661020.

The previous prime is 145654891. The next prime is 145654913. The reversal of 145654906 is 609456541.

It is a happy number.

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

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 3 ways as a sum of consecutive naturals, for example, 1583160 + ... + 1583251.

It is an arithmetic number, because the mean of its divisors is an integer number (28497708).

Almost surely, 2^145654906 is an apocalyptic number.

145654906 is a deficient number, since it is larger than the sum of its proper divisors (82326758).

145654906 is a wasteful number, since it uses less digits than its factorization.

145654906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3166436.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 145654906 is about 12068.7574339697. The cubic root of 145654906 is about 526.1485433960.

The spelling of 145654906 in words is "one hundred forty-five million, six hundred fifty-four thousand, nine hundred six".