145033854 has 32 divisors (see below), whose sum is σ = 332355840. Its totient is φ = 41332032.

The previous prime is 145033831. The next prime is 145033907. The reversal of 145033854 is 458330541.

145033854 = 6020² + 6021² + ... + 6023².

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 15 ways as a sum of consecutive naturals, for example, 12957 + ... + 21399.

It is an arithmetic number, because the mean of its divisors is an integer number (10386120).

Almost surely, 2^145033854 is an apocalyptic number.

145033854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

145033854 is an abundant number, since it is smaller than the sum of its proper divisors (187321986).

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

145033854 is a wasteful number, since it uses less digits than its factorization.

145033854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8864.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 145033854 is about 12043.0002075895. Note that the first 3 decimals coincide. The cubic root of 145033854 is about 525.3996702663.

The spelling of 145033854 in words is "one hundred forty-five million, thirty-three thousand, eight hundred fifty-four".