145842906 has 16 divisors (see below), whose sum is σ = 318202848. Its totient is φ = 44194800.

The previous prime is 145842883. The next prime is 145842929. The reversal of 145842906 is 609248541.

It is an interprime number because it is at equal distance from previous prime (145842883) and next prime (145842929).

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, 1104805 + ... + 1104936.

It is an arithmetic number, because the mean of its divisors is an integer number (19887678).

Almost surely, 2^145842906 is an apocalyptic number.

145842906 is an abundant number, since it is smaller than the sum of its proper divisors (172359942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145842906 is a wasteful number, since it uses less digits than its factorization.

145842906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209757.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 145842906 is about 12076.5436280419. The cubic root of 145842906 is about 526.3748165822.

It can be divided in two parts, 145 and 842906, that added together give a triangular number (843051 = T₁₂₉₈).

The spelling of 145842906 in words is "one hundred forty-five million, eight hundred forty-two thousand, nine hundred six".