145649950 has 24 divisors (see below), whose sum is σ = 273053952. Its totient is φ = 57798720.

The previous prime is 145649941. The next prime is 145649957. The reversal of 145649950 is 59946541.

145649950 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 145649897 and 145649906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145649957) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5119 + ... + 17818.

It is an arithmetic number, because the mean of its divisors is an integer number (11377248).

Almost surely, 2^145649950 is an apocalyptic number.

145649950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145649950 is a deficient number, since it is larger than the sum of its proper divisors (127404002).

145649950 is a wasteful number, since it uses less digits than its factorization.

145649950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23076 (or 23071 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 145649950 is about 12068.5521086831. The cubic root of 145649950 is about 526.1425758164.

The spelling of 145649950 in words is "one hundred forty-five million, six hundred forty-nine thousand, nine hundred fifty".