145503716 has 6 divisors (see below), whose sum is σ = 254631510. Its totient is φ = 72751856.

The previous prime is 145503713. The next prime is 145503719. The reversal of 145503716 is 617305541.

It is an interprime number because it is at equal distance from previous prime (145503713) and next prime (145503719).

It can be written as a sum of positive squares in only one way, i.e., 137358400 + 8145316 = 11720^2 + 2854^2 .

It is not an unprimeable number, because it can be changed into a prime (145503713) 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 as a sum of consecutive naturals, namely, 18187961 + ... + 18187968.

It is an arithmetic number, because the mean of its divisors is an integer number (42438585).

Almost surely, 2^145503716 is an apocalyptic number.

It is an amenable number.

145503716 is a deficient number, since it is larger than the sum of its proper divisors (109127794).

145503716 is a wasteful number, since it uses less digits than its factorization.

145503716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36375933 (or 36375931 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 145503716 is about 12062.4921139871. The cubic root of 145503716 is about 525.9664327252.

The spelling of 145503716 in words is "one hundred forty-five million, five hundred three thousand, seven hundred sixteen".