145779054 has 16 divisors (see below), whose sum is σ = 297762048. Its totient is φ = 47559032.

The previous prime is 145779041. The next prime is 145779061. The reversal of 145779054 is 450977541.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 145778997 and 145779015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258192 + ... + 258755.

It is an arithmetic number, because the mean of its divisors is an integer number (18610128).

Almost surely, 2^145779054 is an apocalyptic number.

145779054 is an abundant number, since it is smaller than the sum of its proper divisors (151982994).

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

145779054 is a wasteful number, since it uses less digits than its factorization.

145779054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516999.

The product of its (nonzero) digits is 176400, while the sum is 42.

The square root of 145779054 is about 12073.8997014221. The cubic root of 145779054 is about 526.2979873603.

The spelling of 145779054 in words is "one hundred forty-five million, seven hundred seventy-nine thousand, fifty-four".