145213403100 has 72 divisors (see below), whose sum is σ = 425906334000. Its totient is φ = 38193108480.

The previous prime is 145213403077. The next prime is 145213403123. The reversal of 145213403100 is 1304312541.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (145213403077) and next prime (145213403123).

It is a super-2 number, since 2×145213403100² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3293475 + ... + 3337274.

It is an arithmetic number, because the mean of its divisors is an integer number (5915365750).

Almost surely, 2^145213403100 is an apocalyptic number.

145213403100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145213403100 is an abundant number, since it is smaller than the sum of its proper divisors (280692930900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145213403100 is a wasteful number, since it uses less digits than its factorization.

145213403100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6630839 (or 6630832 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 145213403100 its reverse (1304312541), we get a palindrome (146517715641).

The spelling of 145213403100 in words is "one hundred forty-five billion, two hundred thirteen million, four hundred three thousand, one hundred".