145106457 has 8 divisors (see below), whose sum is σ = 194458176. Its totient is φ = 96246192.

The previous prime is 145106449. The next prime is 145106461. The reversal of 145106457 is 754601541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145106457 - 2³ = 145106449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145106447) 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 7 ways as a sum of consecutive naturals, for example, 122173 + ... + 123354.

It is an arithmetic number, because the mean of its divisors is an integer number (24307272).

Almost surely, 2^145106457 is an apocalyptic number.

It is an amenable number.

145106457 is a deficient number, since it is larger than the sum of its proper divisors (49351719).

145106457 is a wasteful number, since it uses less digits than its factorization.

145106457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245727.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 145106457 is about 12046.0141540677. The cubic root of 145106457 is about 525.4873261890.

Adding to 145106457 its reverse (754601541), we get a palindrome (899707998).

The spelling of 145106457 in words is "one hundred forty-five million, one hundred six thousand, four hundred fifty-seven".