145887303 has 4 divisors (see below), whose sum is σ = 194516408. Its totient is φ = 97258200.

The previous prime is 145887283. The next prime is 145887397. The reversal of 145887303 is 303788541.

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

It is not a de Polignac number, because 145887303 - 2⁶ = 145887239 is a prime.

It is a super-2 number, since 2×145887303² = 42566210353227618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145887103) 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, 24314548 + ... + 24314553.

It is an arithmetic number, because the mean of its divisors is an integer number (48629102).

Almost surely, 2^145887303 is an apocalyptic number.

145887303 is a deficient number, since it is larger than the sum of its proper divisors (48629105).

145887303 is an equidigital number, since it uses as much as digits as its factorization.

145887303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48629104.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 145887303 is about 12078.3816382825. The cubic root of 145887303 is about 526.4282235720.

The spelling of 145887303 in words is "one hundred forty-five million, eight hundred eighty-seven thousand, three hundred three".