145036550 has 12 divisors (see below), whose sum is σ = 269768076. Its totient is φ = 58014600.

The previous prime is 145036543. The next prime is 145036561. The reversal of 145036550 is 55630541.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1450316 + ... + 1450415.

It is an arithmetic number, because the mean of its divisors is an integer number (22480673).

Almost surely, 2^145036550 is an apocalyptic number.

145036550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145036550 is a deficient number, since it is larger than the sum of its proper divisors (124731526).

145036550 is a wasteful number, since it uses less digits than its factorization.

145036550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2900743 (or 2900738 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 145036550 is about 12043.1121393102. The cubic root of 145036550 is about 525.4029257562.

The spelling of 145036550 in words is "one hundred forty-five million, thirty-six thousand, five hundred fifty".