145787712 has 112 divisors (see below), whose sum is σ = 447690240. Its totient is φ = 41006592.

The previous prime is 145787711. The next prime is 145787723. The reversal of 145787712 is 217787541.

It is a tau number, because it is divible by the number of its divisors (112).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145787711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89239 + ... + 90857.

Almost surely, 2^145787712 is an apocalyptic number.

145787712 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 145787712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223845120).

145787712 is an abundant number, since it is smaller than the sum of its proper divisors (301902528).

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

145787712 is a wasteful number, since it uses less digits than its factorization.

145787712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708 (or 1698 counting only the distinct ones).

The product of its digits is 109760, while the sum is 42.

The square root of 145787712 is about 12074.2582380865. The cubic root of 145787712 is about 526.3084063189.

The spelling of 145787712 in words is "one hundred forty-five million, seven hundred eighty-seven thousand, seven hundred twelve".