145063733 has 4 divisors (see below), whose sum is σ = 145089228. Its totient is φ = 145038240.

The previous prime is 145063649. The next prime is 145063741. The reversal of 145063733 is 337360541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 75724804 + 69338929 = 8702^2 + 8327^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145063733 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145063733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145063433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113 + ... + 17033.

It is an arithmetic number, because the mean of its divisors is an integer number (36272307).

Almost surely, 2^145063733 is an apocalyptic number.

It is an amenable number.

145063733 is a deficient number, since it is larger than the sum of its proper divisors (25495).

145063733 is an equidigital number, since it uses as much as digits as its factorization.

145063733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25494.

The product of its (nonzero) digits is 22680, while the sum is 32.

The square root of 145063733 is about 12044.2406568451. The cubic root of 145063733 is about 525.4357476795.

The spelling of 145063733 in words is "one hundred forty-five million, sixty-three thousand, seven hundred thirty-three".