145003155 has 64 divisors (see below), whose sum is σ = 278138880. Its totient is φ = 63676800.

The previous prime is 145003147. The next prime is 145003163. The reversal of 145003155 is 551300541.

It is an interprime number because it is at equal distance from previous prime (145003147) and next prime (145003163).

It is not a de Polignac number, because 145003155 - 2³ = 145003147 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 71100 + ... + 73110.

It is an arithmetic number, because the mean of its divisors is an integer number (4345920).

Almost surely, 2^145003155 is an apocalyptic number.

145003155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145003155 is a deficient number, since it is larger than the sum of its proper divisors (133135725).

145003155 is a wasteful number, since it uses less digits than its factorization.

145003155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2072.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 145003155 is about 12041.7255823242. The cubic root of 145003155 is about 525.3625975825.

Adding to 145003155 its reverse (551300541), we get a palindrome (696303696).

The spelling of 145003155 in words is "one hundred forty-five million, three thousand, one hundred fifty-five".