145411776 has 84 divisors (see below), whose sum is σ = 428124112. Its totient is φ = 47153664.

The previous prime is 145411759. The next prime is 145411781. The reversal of 145411776 is 677114541.

It is a super-2 number, since 2×145411776² = 42289169198948352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 145411776.

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, 17901 + ... + 24723.

Almost surely, 2^145411776 is an apocalyptic number.

145411776 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 145411776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214062056).

145411776 is an abundant number, since it is smaller than the sum of its proper divisors (282712336).

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

145411776 is a wasteful number, since it uses less digits than its factorization.

145411776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6878 (or 6865 counting only the distinct ones).

The product of its digits is 23520, while the sum is 36.

The square root of 145411776 is about 12058.6805248336. The cubic root of 145411776 is about 525.8556278972.

The spelling of 145411776 in words is "one hundred forty-five million, four hundred eleven thousand, seven hundred seventy-six".