145554015 has 16 divisors (see below), whose sum is σ = 233049600. Its totient is φ = 77574432.

The previous prime is 145554001. The next prime is 145554049. The reversal of 145554015 is 510455541.

It is not a de Polignac number, because 145554015 - 2⁶ = 145553951 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28206 + ... + 32964.

It is an arithmetic number, because the mean of its divisors is an integer number (14565600).

Almost surely, 2^145554015 is an apocalyptic number.

145554015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145554015 is a deficient number, since it is larger than the sum of its proper divisors (87495585).

145554015 is a wasteful number, since it uses less digits than its factorization.

145554015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6806.

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 145554015 is about 12064.5768678392. The cubic root of 145554015 is about 526.0270326385.

The spelling of 145554015 in words is "one hundred forty-five million, five hundred fifty-four thousand, fifteen".