145702133 has 4 divisors (see below), whose sum is σ = 145762848. Its totient is φ = 145641420.

The previous prime is 145702091. The next prime is 145702159. The reversal of 145702133 is 331207541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 331207541 = 7 ⋅47315363.

It is a cyclic number.

It is not a de Polignac number, because 145702133 - 2¹⁰ = 145701109 is a prime.

It is a super-2 number, since 2×145702133² = 42458223121499378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145702933) 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 3 ways as a sum of consecutive naturals, for example, 26603 + ... + 31608.

It is an arithmetic number, because the mean of its divisors is an integer number (36440712).

Almost surely, 2^145702133 is an apocalyptic number.

It is an amenable number.

145702133 is a deficient number, since it is larger than the sum of its proper divisors (60715).

145702133 is an equidigital number, since it uses as much as digits as its factorization.

145702133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60714.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 145702133 is about 12070.7138562721. The cubic root of 145702133 is about 526.2054032090.

Adding to 145702133 its reverse (331207541), we get a palindrome (476909674).

The spelling of 145702133 in words is "one hundred forty-five million, seven hundred two thousand, one hundred thirty-three".