145642150 has 24 divisors (see below), whose sum is σ = 271214784. Its totient is φ = 58188000.

The previous prime is 145642139. The next prime is 145642151. The reversal of 145642150 is 51246541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145642151) 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 11 ways as a sum of consecutive naturals, for example, 73675 + ... + 75625.

It is an arithmetic number, because the mean of its divisors is an integer number (11300616).

Almost surely, 2^145642150 is an apocalyptic number.

145642150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145642150 is a deficient number, since it is larger than the sum of its proper divisors (125572634).

145642150 is a wasteful number, since it uses less digits than its factorization.

145642150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3456 (or 3451 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 145642150 is about 12068.2289504301. The cubic root of 145642150 is about 526.1331834677.

Adding to 145642150 its reverse (51246541), we get a palindrome (196888691).

The spelling of 145642150 in words is "one hundred forty-five million, six hundred forty-two thousand, one hundred fifty".