145122004332 has 108 divisors (see below), whose sum is σ = 392614958736. Its totient is φ = 45182249280.

The previous prime is 145122004331. The next prime is 145122004393. The reversal of 145122004332 is 233400221541.

145122004332 is a `hidden beast` number, since 1 + 4 + 5 + 1 + 220 + 0 + 433 + 2 = 666.

It is a super-2 number, since 2×145122004332² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145122004296 and 145122004305.

It is not an unprimeable number, because it can be changed into a prime (145122004331) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 844078 + ... + 1001354.

It is an arithmetic number, because the mean of its divisors is an integer number (3635323692).

Almost surely, 2^145122004332 is an apocalyptic number.

145122004332 is a gapful number since it is divisible by the number (12) 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 145122004332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196307479368).

145122004332 is an abundant number, since it is smaller than the sum of its proper divisors (247492954404).

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

145122004332 is a wasteful number, since it uses less digits than its factorization.

145122004332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157396 (or 157372 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 145122004332 its reverse (233400221541), we get a palindrome (378522225873).

The spelling of 145122004332 in words is "one hundred forty-five billion, one hundred twenty-two million, four thousand, three hundred thirty-two".