145134803 has 4 divisors (see below), whose sum is σ = 158328888. Its totient is φ = 131940720.

The previous prime is 145134767. The next prime is 145134809. The reversal of 145134803 is 308431541.

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

It is a cyclic number.

It is not a de Polignac number, because 145134803 - 2⁶ = 145134739 is a prime.

It is a super-2 number, since 2×145134803² = 42128222083697618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145134809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6597026 + ... + 6597047.

It is an arithmetic number, because the mean of its divisors is an integer number (39582222).

Almost surely, 2^145134803 is an apocalyptic number.

145134803 is a deficient number, since it is larger than the sum of its proper divisors (13194085).

145134803 is a wasteful number, since it uses less digits than its factorization.

145134803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13194084.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 145134803 is about 12047.1906683675. The cubic root of 145134803 is about 525.5215412847.

The spelling of 145134803 in words is "one hundred forty-five million, one hundred thirty-four thousand, eight hundred three".