145761454 has 8 divisors (see below), whose sum is σ = 219026808. Its totient is φ = 72752520.

The previous prime is 145761439. The next prime is 145761457. The reversal of 145761454 is 454167541.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145761457) 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 3 ways as a sum of consecutive naturals, for example, 62677 + ... + 64960.

It is an arithmetic number, because the mean of its divisors is an integer number (27378351).

Almost surely, 2^145761454 is an apocalyptic number.

145761454 is a deficient number, since it is larger than the sum of its proper divisors (73265354).

145761454 is a wasteful number, since it uses less digits than its factorization.

145761454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128210.

The product of its digits is 67200, while the sum is 37.

The square root of 145761454 is about 12073.1708345405. The cubic root of 145761454 is about 526.2768064085.

The spelling of 145761454 in words is "one hundred forty-five million, seven hundred sixty-one thousand, four hundred fifty-four".