145222054 has 8 divisors (see below), whose sum is σ = 229298040. Its totient is φ = 68789376.

The previous prime is 145222043. The next prime is 145222061. The reversal of 145222054 is 450222541.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1910779 + ... + 1910854.

It is an arithmetic number, because the mean of its divisors is an integer number (28662255).

Almost surely, 2^145222054 is an apocalyptic number.

145222054 is a deficient number, since it is larger than the sum of its proper divisors (84075986).

145222054 is a wasteful number, since it uses less digits than its factorization.

145222054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3821654.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 145222054 is about 12050.8113419803. The cubic root of 145222054 is about 525.6268298251.

Adding to 145222054 its reverse (450222541), we get a palindrome (595444595).

The spelling of 145222054 in words is "one hundred forty-five million, two hundred twenty-two thousand, fifty-four".