145603263 has 8 divisors (see below), whose sum is σ = 209071408. Its totient is φ = 89601984.

The previous prime is 145603223. The next prime is 145603301. The reversal of 145603263 is 362306541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145603263 - 2¹³ = 145595071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145603263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145603223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1866670 + ... + 1866747.

It is an arithmetic number, because the mean of its divisors is an integer number (26133926).

Almost surely, 2^145603263 is an apocalyptic number.

145603263 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

145603263 is a deficient number, since it is larger than the sum of its proper divisors (63468145).

145603263 is a wasteful number, since it uses less digits than its factorization.

145603263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3733433.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 145603263 is about 12066.6177116871. The cubic root of 145603263 is about 526.0863527887.

The spelling of 145603263 in words is "one hundred forty-five million, six hundred three thousand, two hundred sixty-three".