145412553000 has 512 divisors, whose sum is σ = 547468346880. Its totient is φ = 31656960000.

The previous prime is 145412552951. The next prime is 145412553001. The reversal of 145412553000 is 355214541.

It is a super-2 number, since 2×145412553000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (145412553001) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 15868420 + ... + 15877580.

It is an arithmetic number, because the mean of its divisors is an integer number (1069274115).

Almost surely, 2^145412553000 is an apocalyptic number.

145412553000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145412553000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273734173440).

145412553000 is an abundant number, since it is smaller than the sum of its proper divisors (402055793880).

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

145412553000 is a wasteful number, since it uses less digits than its factorization.

145412553000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9246 (or 9232 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 145412553000 its reverse (355214541), we get a palindrome (145767767541).

The spelling of 145412553000 in words is "one hundred forty-five billion, four hundred twelve million, five hundred fifty-three thousand".