145448412 has 48 divisors (see below), whose sum is σ = 359036160. Its totient is φ = 45733248.

The previous prime is 145448371. The next prime is 145448437. The reversal of 145448412 is 214844541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16539 + ... + 23757.

It is an arithmetic number, because the mean of its divisors is an integer number (7479920).

Almost surely, 2^145448412 is an apocalyptic number.

145448412 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 145448412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179518080).

145448412 is an abundant number, since it is smaller than the sum of its proper divisors (213587748).

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

145448412 is a wasteful number, since it uses less digits than its factorization.

145448412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7322 (or 7320 counting only the distinct ones).

The product of its digits is 20480, while the sum is 33.

The square root of 145448412 is about 12060.1995008375. The cubic root of 145448412 is about 525.8997866983.

The spelling of 145448412 in words is "one hundred forty-five million, four hundred forty-eight thousand, four hundred twelve".