145452334650 has 192 divisors, whose sum is σ = 430554728448. Its totient is φ = 31772885760.

The previous prime is 145452334639. The next prime is 145452334691. The reversal of 145452334650 is 56433254541.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 40256244 + ... + 40259856.

It is an arithmetic number, because the mean of its divisors is an integer number (2242472544).

Almost surely, 2^145452334650 is an apocalyptic number.

145452334650 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 145452334650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215277364224).

145452334650 is an abundant number, since it is smaller than the sum of its proper divisors (285102393798).

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

145452334650 is a wasteful number, since it uses less digits than its factorization.

145452334650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5325 (or 5320 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 145452334650 in words is "one hundred forty-five billion, four hundred fifty-two million, three hundred thirty-four thousand, six hundred fifty".