145868302 has 4 divisors (see below), whose sum is σ = 218802456. Its totient is φ = 72934150.

The previous prime is 145868297. The next prime is 145868311. The reversal of 145868302 is 203868541.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36467074 + ... + 36467077.

It is an arithmetic number, because the mean of its divisors is an integer number (54700614).

Almost surely, 2^145868302 is an apocalyptic number.

145868302 is a deficient number, since it is larger than the sum of its proper divisors (72934154).

145868302 is an equidigital number, since it uses as much as digits as its factorization.

145868302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72934153.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 145868302 is about 12077.5950420603. The cubic root of 145868302 is about 526.4053678088.

The spelling of 145868302 in words is "one hundred forty-five million, eight hundred sixty-eight thousand, three hundred two".