145478142 has 24 divisors (see below), whose sum is σ = 315437616. Its totient is φ = 48456576.

The previous prime is 145478093. The next prime is 145478147. The reversal of 145478142 is 241874541.

It is a happy number.

145478142 is a `hidden beast` number, since 1 + 45 + 478 + 142 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 145478097 and 145478106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145478147) 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 11 ways as a sum of consecutive naturals, for example, 34303 + ... + 38309.

It is an arithmetic number, because the mean of its divisors is an integer number (13143234).

Almost surely, 2^145478142 is an apocalyptic number.

145478142 is an abundant number, since it is smaller than the sum of its proper divisors (169959474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145478142 is a wasteful number, since it uses less digits than its factorization.

145478142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6032 (or 6029 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 145478142 is about 12061.4320045341. The cubic root of 145478142 is about 525.9356159780.

The spelling of 145478142 in words is "one hundred forty-five million, four hundred seventy-eight thousand, one hundred forty-two".