145450451 has 2 divisors, whose sum is σ = 145450452. Its totient is φ = 145450450.

The previous prime is 145450439. The next prime is 145450463. The reversal of 145450451 is 154054541.

It is a balanced prime because it is at equal distance from previous prime (145450439) and next prime (145450463).

It is an emirp because it is prime and its reverse (154054541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145450451 - 2²² = 141256147 is a prime.

It is a super-2 number, since 2×145450451² = 42311667392206802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145450471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72725225 + 72725226.

It is an arithmetic number, because the mean of its divisors is an integer number (72725226).

Almost surely, 2^145450451 is an apocalyptic number.

145450451 is a deficient number, since it is larger than the sum of its proper divisors (1).

145450451 is an equidigital number, since it uses as much as digits as its factorization.

145450451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 145450451 is about 12060.2840347979. The cubic root of 145450451 is about 525.9022441668.

The spelling of 145450451 in words is "one hundred forty-five million, four hundred fifty thousand, four hundred fifty-one".