145760505 has 16 divisors (see below), whose sum is σ = 254418624. Its totient is φ = 70671680.

The previous prime is 145760491. The next prime is 145760509. The reversal of 145760505 is 505067541.

It is not a de Polignac number, because 145760505 - 2⁸ = 145760249 is a prime.

It is a super-2 number, since 2×145760505² = 42492249635710050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (145760509) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 441534 + ... + 441863.

It is an arithmetic number, because the mean of its divisors is an integer number (15901164).

Almost surely, 2^145760505 is an apocalyptic number.

145760505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145760505 is a deficient number, since it is larger than the sum of its proper divisors (108658119).

145760505 is a wasteful number, since it uses less digits than its factorization.

145760505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883416.

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 145760505 is about 12073.1315324567. The cubic root of 145760505 is about 526.2756642735.

The spelling of 145760505 in words is "one hundred forty-five million, seven hundred sixty thousand, five hundred five".