145403302 has 16 divisors (see below), whose sum is σ = 243737424. Its totient is φ = 64480000.

The previous prime is 145403287. The next prime is 145403341. The reversal of 145403302 is 203304541.

145403302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145403302² = 42284240465006408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79699 + ... + 81502.

It is an arithmetic number, because the mean of its divisors is an integer number (15233589).

Almost surely, 2^145403302 is an apocalyptic number.

145403302 is a deficient number, since it is larger than the sum of its proper divisors (98334122).

145403302 is a wasteful number, since it uses less digits than its factorization.

145403302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161255.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 145403302 is about 12058.3291545720. The cubic root of 145403302 is about 525.8454127980.

Adding to 145403302 its reverse (203304541), we get a palindrome (348707843).

The spelling of 145403302 in words is "one hundred forty-five million, four hundred three thousand, three hundred two".