145111776 has 48 divisors (see below), whose sum is σ = 382901904. Its totient is φ = 48118784.

The previous prime is 145111727. The next prime is 145111787. The reversal of 145111776 is 677111541.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15076 + ... + 22748.

It is an arithmetic number, because the mean of its divisors is an integer number (7977123).

Almost surely, 2^145111776 is an apocalyptic number.

145111776 is a gapful number since it is divisible by the number (16) 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 145111776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191450952).

145111776 is an abundant number, since it is smaller than the sum of its proper divisors (237790128).

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

145111776 is a wasteful number, since it uses less digits than its factorization.

145111776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7883 (or 7875 counting only the distinct ones).

The product of its digits is 5880, while the sum is 33.

The square root of 145111776 is about 12046.2349304669. The cubic root of 145111776 is about 525.4937468381.

The spelling of 145111776 in words is "one hundred forty-five million, one hundred eleven thousand, seven hundred seventy-six".