1030155454 has 4 divisors (see below), whose sum is σ = 1545233184. Its totient is φ = 515077726.

The previous prime is 1030155439. The next prime is 1030155457. The reversal of 1030155454 is 4545510301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4545510301 = 1013 ⋅4487177.

It is a super-2 number, since 2×1030155454² = 2122440518811892232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030155457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257538862 + ... + 257538865.

It is an arithmetic number, because the mean of its divisors is an integer number (386308296).

Almost surely, 2^1030155454 is an apocalyptic number.

1030155454 is a deficient number, since it is larger than the sum of its proper divisors (515077730).

1030155454 is an equidigital number, since it uses as much as digits as its factorization.

1030155454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515077729.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1030155454 is about 32096.0348641386. The cubic root of 1030155454 is about 1009.9524383707.

Adding to 1030155454 its reverse (4545510301), we get a palindrome (5575665755).

The spelling of 1030155454 in words is "one billion, thirty million, one hundred fifty-five thousand, four hundred fifty-four".