145351403 has 4 divisors (see below), whose sum is σ = 145485000. Its totient is φ = 145217808.

The previous prime is 145351369. The next prime is 145351417. The reversal of 145351403 is 304153541.

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 145351403 - 2²⁰ = 144302827 is a prime.

It is a super-2 number, since 2×145351403² = 42254060708136818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145351433) 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, 65153 + ... + 67346.

It is an arithmetic number, because the mean of its divisors is an integer number (36371250).

Almost surely, 2^145351403 is an apocalyptic number.

145351403 is a deficient number, since it is larger than the sum of its proper divisors (133597).

145351403 is a wasteful number, since it uses less digits than its factorization.

145351403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133596.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 145351403 is about 12056.1769645274. The cubic root of 145351403 is about 525.7828417781.

The spelling of 145351403 in words is "one hundred forty-five million, three hundred fifty-one thousand, four hundred three".