145552418 has 32 divisors (see below), whose sum is σ = 250076160. Its totient is φ = 62890960.

The previous prime is 145552399. The next prime is 145552427. The reversal of 145552418 is 814255541.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89771 + ... + 91377.

It is an arithmetic number, because the mean of its divisors is an integer number (7814880).

Almost surely, 2^145552418 is an apocalyptic number.

145552418 is a deficient number, since it is larger than the sum of its proper divisors (104523742).

145552418 is a wasteful number, since it uses less digits than its factorization.

145552418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822.

The product of its digits is 32000, while the sum is 35.

The square root of 145552418 is about 12064.5106821620. The cubic root of 145552418 is about 526.0251087977.

The spelling of 145552418 in words is "one hundred forty-five million, five hundred fifty-two thousand, four hundred eighteen".