145451012 has 36 divisors (see below), whose sum is σ = 297157644. Its totient is φ = 62112960.

The previous prime is 145450937. The next prime is 145451021. The reversal of 145451012 is 210154541.

It can be written as a sum of positive squares in 2 ways, for example, as 44970436 + 100480576 = 6706^2 + 10024^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60962 + ... + 63302.

It is an arithmetic number, because the mean of its divisors is an integer number (8254379).

Almost surely, 2^145451012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145451012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148578822).

145451012 is an abundant number, since it is smaller than the sum of its proper divisors (151706632).

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

145451012 is a wasteful number, since it uses less digits than its factorization.

145451012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676 (or 2667 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 145451012 is about 12060.3072929341. The cubic root of 145451012 is about 525.9029202980.

The spelling of 145451012 in words is "one hundred forty-five million, four hundred fifty-one thousand, twelve".