145513302 has 64 divisors (see below), whose sum is σ = 342641664. Its totient is φ = 40701440.

The previous prime is 145513301. The next prime is 145513331. The reversal of 145513302 is 203315541.

145513302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145513301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58243 + ... + 60689.

It is an arithmetic number, because the mean of its divisors is an integer number (5353776).

Almost surely, 2^145513302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145513302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171320832).

145513302 is an abundant number, since it is smaller than the sum of its proper divisors (197128362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145513302 is a wasteful number, since it uses less digits than its factorization.

145513302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2533.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 145513302 is about 12062.8894548528. The cubic root of 145513302 is about 525.9779829537.

Adding to 145513302 its reverse (203315541), we get a palindrome (348828843).

The spelling of 145513302 in words is "one hundred forty-five million, five hundred thirteen thousand, three hundred two".