145355455 has 16 divisors (see below), whose sum is σ = 204208704. Its totient is φ = 97240320.

The previous prime is 145355449. The next prime is 145355459. The reversal of 145355455 is 554553541.

It is a happy number.

It is not a de Polignac number, because 145355455 - 2¹⁷ = 145224383 is a prime.

It is a super-2 number, since 2×145355455² = 42256416596514050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145355459) by changing a digit.

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, 49212 + ... + 52081.

It is an arithmetic number, because the mean of its divisors is an integer number (12763044).

Almost surely, 2^145355455 is an apocalyptic number.

145355455 is a deficient number, since it is larger than the sum of its proper divisors (58853249).

145355455 is a wasteful number, since it uses less digits than its factorization.

145355455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101346.

The product of its digits is 150000, while the sum is 37.

The square root of 145355455 is about 12056.3450099937. The cubic root of 145355455 is about 525.7877275291.

The spelling of 145355455 in words is "one hundred forty-five million, three hundred fifty-five thousand, four hundred fifty-five".