145402103 has 16 divisors (see below), whose sum is σ = 182062080. Its totient is φ = 112812000.

The previous prime is 145402093. The next prime is 145402109. The reversal of 145402103 is 301204541.

It is not a de Polignac number, because 145402103 - 2⁴ = 145402087 is a prime.

It is a super-2 number, since 2×145402103² = 42283543113645218, 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 (145402109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14453 + ... + 22353.

It is an arithmetic number, because the mean of its divisors is an integer number (11378880).

Almost surely, 2^145402103 is an apocalyptic number.

145402103 is a deficient number, since it is larger than the sum of its proper divisors (36659977).

145402103 is a wasteful number, since it uses less digits than its factorization.

145402103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8158.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 145402103 is about 12058.2794377971. The cubic root of 145402103 is about 525.8439674150.

Adding to 145402103 its reverse (301204541), we get a palindrome (446606644).

The spelling of 145402103 in words is "one hundred forty-five million, four hundred two thousand, one hundred three".