145242054 has 24 divisors (see below), whose sum is σ = 314961192. Its totient is φ = 48372480.

The previous prime is 145242047. The next prime is 145242107. The reversal of 145242054 is 450242541.

145242054 is a `hidden beast` number, since 1 + 452 + 4 + 205 + 4 = 666.

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 11 ways as a sum of consecutive naturals, for example, 23974 + ... + 29414.

It is an arithmetic number, because the mean of its divisors is an integer number (13123383).

Almost surely, 2^145242054 is an apocalyptic number.

145242054 is an abundant number, since it is smaller than the sum of its proper divisors (169719138).

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

145242054 is a wasteful number, since it uses less digits than its factorization.

145242054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6932 (or 6929 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 145242054 is about 12051.6411330574. The cubic root of 145242054 is about 525.6509585157.

Adding to 145242054 its reverse (450242541), we get a palindrome (595484595).

The spelling of 145242054 in words is "one hundred forty-five million, two hundred forty-two thousand, fifty-four".