145023054 has 32 divisors (see below), whose sum is σ = 324971136. Its totient is φ = 42757920.

The previous prime is 145023013. The next prime is 145023071. The reversal of 145023054 is 450320541.

It is a Curzon 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, 27252 + ... + 32135.

It is an arithmetic number, because the mean of its divisors is an integer number (10155348).

Almost surely, 2^145023054 is an apocalyptic number.

145023054 is an abundant number, since it is smaller than the sum of its proper divisors (179948082).

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

145023054 is a wasteful number, since it uses less digits than its factorization.

145023054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59440.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 145023054 is about 12042.5518059920. The cubic root of 145023054 is about 525.3866285818.

Adding to 145023054 its reverse (450320541), we get a palindrome (595343595).

The spelling of 145023054 in words is "one hundred forty-five million, twenty-three thousand, fifty-four".