145234145 has 16 divisors (see below), whose sum is σ = 210895488. Its totient is φ = 93730560.

The previous prime is 145234129. The next prime is 145234211. The reversal of 145234145 is 541432541.

It is not a de Polignac number, because 145234145 - 2⁴ = 145234129 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121451 + ... + 122640.

It is an arithmetic number, because the mean of its divisors is an integer number (13180968).

Almost surely, 2^145234145 is an apocalyptic number.

It is an amenable number.

145234145 is a deficient number, since it is larger than the sum of its proper divisors (65661343).

145234145 is a wasteful number, since it uses less digits than its factorization.

145234145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244120.

The product of its digits is 9600, while the sum is 29.

The square root of 145234145 is about 12051.3129990055. The cubic root of 145234145 is about 525.6414170898.

Adding to 145234145 its reverse (541432541), we get a palindrome (686666686).

The spelling of 145234145 in words is "one hundred forty-five million, two hundred thirty-four thousand, one hundred forty-five".