145255054 has 16 divisors (see below), whose sum is σ = 250661376. Its totient is φ = 61839000.

The previous prime is 145255039. The next prime is 145255067. The reversal of 145255054 is 450552541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32242 + ... + 36469.

It is an arithmetic number, because the mean of its divisors is an integer number (15666336).

Almost surely, 2^145255054 is an apocalyptic number.

145255054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

145255054 is a deficient number, since it is larger than the sum of its proper divisors (105406322).

145255054 is a wasteful number, since it uses less digits than its factorization.

145255054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68871.

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 145255054 is about 12052.1804666210. The cubic root of 145255054 is about 525.6666409768. Note that the first 4 decimals are identical.

The spelling of 145255054 in words is "one hundred forty-five million, two hundred fifty-five thousand, fifty-four".