145454592 has 80 divisors (see below), whose sum is σ = 390033072. Its totient is φ = 48168960.

The previous prime is 145454587. The next prime is 145454597. The reversal of 145454592 is 295454541.

It is an interprime number because it is at equal distance from previous prime (145454587) and next prime (145454597).

It is a self number, because there is not a number n which added to its sum of digits gives 145454592.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145454597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431448 + ... + 431784.

Almost surely, 2^145454592 is an apocalyptic number.

145454592 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 145454592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195016536).

145454592 is an abundant number, since it is smaller than the sum of its proper divisors (244578480).

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

145454592 is an equidigital number, since it uses as much as digits as its factorization.

145454592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639 (or 623 counting only the distinct ones).

The product of its digits is 144000, while the sum is 39.

The square root of 145454592 is about 12060.4557127830. The cubic root of 145454592 is about 525.9072349626.

The spelling of 145454592 in words is "one hundred forty-five million, four hundred fifty-four thousand, five hundred ninety-two".