145300254330 has 128 divisors (see below), whose sum is σ = 435482044416. Its totient is φ = 30142713600.

The previous prime is 145300254317. The next prime is 145300254347. The reversal of 145300254330 is 33452003541.

It is a super-2 number, since 2×145300254330² (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 a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1364725 + ... + 1467335.

It is an arithmetic number, because the mean of its divisors is an integer number (3402203472).

Almost surely, 2^145300254330 is an apocalyptic number.

145300254330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 145300254330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217741022208).

145300254330 is an abundant number, since it is smaller than the sum of its proper divisors (290181790086).

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

145300254330 is a wasteful number, since it uses less digits than its factorization.

145300254330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103252.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 145300254330 its reverse (33452003541), we get a palindrome (178752257871).

The spelling of 145300254330 in words is "one hundred forty-five billion, three hundred million, two hundred fifty-four thousand, three hundred thirty".