145416505503 has 16 divisors (see below), whose sum is σ = 206135953920. Its totient is φ = 90979752864.

The previous prime is 145416505483. The next prime is 145416505523. The reversal of 145416505503 is 305505614541.

It is an interprime number because it is at equal distance from previous prime (145416505483) and next prime (145416505523).

It is not a de Polignac number, because 145416505503 - 2¹² = 145416501407 is a prime.

It is a super-2 number, since 2×145416505503² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145416505523) 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, 19878283 + ... + 19885596.

It is an arithmetic number, because the mean of its divisors is an integer number (12883497120).

Almost surely, 2^145416505503 is an apocalyptic number.

145416505503 is a deficient number, since it is larger than the sum of its proper divisors (60719448417).

145416505503 is a wasteful number, since it uses less digits than its factorization.

145416505503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39763958.

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 145416505503 in words is "one hundred forty-five billion, four hundred sixteen million, five hundred five thousand, five hundred three".