145171054 has 16 divisors (see below), whose sum is σ = 255591648. Its totient is φ = 60534432.

The previous prime is 145171049. The next prime is 145171057. The reversal of 145171054 is 450171541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145171057) by changing a digit.

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, 139609 + ... + 140644.

It is an arithmetic number, because the mean of its divisors is an integer number (15974478).

Almost surely, 2^145171054 is an apocalyptic number.

145171054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

145171054 is a deficient number, since it is larger than the sum of its proper divisors (110420594).

145171054 is a wasteful number, since it uses less digits than its factorization.

145171054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280299.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 145171054 is about 12048.6951160696. The cubic root of 145171054 is about 525.5652916351.

The spelling of 145171054 in words is "one hundred forty-five million, one hundred seventy-one thousand, fifty-four".