145140776 has 16 divisors (see below), whose sum is σ = 296879040. Its totient is φ = 65973040.

The previous prime is 145140769. The next prime is 145140797. The reversal of 145140776 is 677041541.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 824576 + ... + 824751.

It is an arithmetic number, because the mean of its divisors is an integer number (18554940).

Almost surely, 2^145140776 is an apocalyptic number.

It is an amenable number.

145140776 is an abundant number, since it is smaller than the sum of its proper divisors (151738264).

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

145140776 is a wasteful number, since it uses less digits than its factorization.

145140776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649344 (or 1649340 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 145140776 is about 12047.4385659359. The cubic root of 145140776 is about 525.5287504379.

The spelling of 145140776 in words is "one hundred forty-five million, one hundred forty thousand, seven hundred seventy-six".