145724036 has 24 divisors (see below), whose sum is σ = 257429760. Its totient is φ = 72176832.

The previous prime is 145724003. The next prime is 145724039. The reversal of 145724036 is 630427541.

It is a junction number, because it is equal to n+sod(n) for n = 145723993 and 145724011.

It is not an unprimeable number, because it can be changed into a prime (145724039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298985 + ... + 299471.

It is an arithmetic number, because the mean of its divisors is an integer number (10726240).

Almost surely, 2^145724036 is an apocalyptic number.

It is an amenable number.

145724036 is a deficient number, since it is larger than the sum of its proper divisors (111705724).

145724036 is a wasteful number, since it uses less digits than its factorization.

145724036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043 (or 1041 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 145724036 is about 12071.6211007470. The cubic root of 145724036 is about 526.2317695571.

The spelling of 145724036 in words is "one hundred forty-five million, seven hundred twenty-four thousand, thirty-six".