145651044 has 96 divisors (see below), whose sum is σ = 425972736. Its totient is φ = 37630080.

The previous prime is 145651031. The next prime is 145651067. The reversal of 145651044 is 440156541.

145651044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261214 + ... + 261770.

It is an arithmetic number, because the mean of its divisors is an integer number (4437216).

Almost surely, 2^145651044 is an apocalyptic number.

145651044 is a gapful number since it is divisible by the number (14) 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 145651044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212986368).

145651044 is an abundant number, since it is smaller than the sum of its proper divisors (280321692).

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

145651044 is a wasteful number, since it uses less digits than its factorization.

145651044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865 (or 863 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 145651044 is about 12068.5974330077. The cubic root of 145651044 is about 526.1438931267.

The spelling of 145651044 in words is "one hundred forty-five million, six hundred fifty-one thousand, forty-four".